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RESEARCH FRONTIERS INC

EDGAR

REFR Quarterly report (10-Q) · filed 2026-08-06

Annual consolidated revenue for 2025: about USD 1.121M, using the latest reported figures. The previous period, 2024, was about USD 1.336M.

Inspect reported changes Compare with another company Historical disclosures Search filings Segments

Watchlist

Latest quarter

Revenue

86.3 thousand USD

2026 Q2 · USD

Exact inputs and evidence

Revenue: 86346 USD Source

Operating margin

-775.66%

2026 Q2 · %

Exact inputs and evidence

Operating Income: -669754 USD Source
Revenue: 86346 USD Source

Operating cash flow

-191 thousand USD

2026 Q2 · USD

Exact inputs and evidence

Operating Cash Flow: -951238 USD Source
Operating Cash Flow: -759931 USD Source

Free cash flow

-191 thousand USD

2026 Q2 · USD

Exact inputs and evidence

Operating Cash Flow: -951238 USD Source
Operating Cash Flow: -759931 USD Source
Capital Expenditure: 105 USD Source
Capital Expenditure: 67 USD Source

Cash and cash equivalents: 1.1 million USD 2026-06-30 Source
Exact value

1100000 USD
Long-term debt including current maturities: Not available
Shares outstanding: 34.9 million shares 2026-06-30 Source
Exact value

34867786 shares

Reported share-count change

3.62% · 1.22 million shares

Year-over-year change in reported shares. Splits, issuance and buybacks can affect this figure; it does not isolate employee compensation or economic dilution.

Exact inputs and evidence

33648221 shares · 2025-06-30· Source
34867786 shares · 2026-06-30· Source

Trailing twelve months

The four most recent complete quarters added together. This gives a full-year view that includes the latest quarterly results.

Revenue

654 thousand USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Revenue: 359444 USD · 2025-07-01 – 2025-09-30 Source
Revenue: 1121248 USD · 2025-01-01 – 2025-12-31 Source
Revenue: 1049125 USD · 2025-01-01 – 2025-09-30 Source
Revenue: 136319 USD · 2026-01-01 – 2026-03-31 Source
Revenue: 86346 USD · 2026-04-01 – 2026-06-30 Source

Net income

-2.25 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Net income: -298508 USD · 2025-07-01 – 2025-09-30 Source
Net income: -2045584 USD · 2025-01-01 – 2025-12-31 Source
Net income: -1280021 USD · 2025-01-01 – 2025-09-30 Source
Net income: -525365 USD · 2026-01-01 – 2026-03-31 Source
Net income: -660168 USD · 2026-04-01 – 2026-06-30 Source

Operating cash flow

-1.56 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Operating cash flow: -863214 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -719701 USD · 2025-01-01 – 2025-06-30 Source
Operating cash flow: -1329161 USD · 2025-01-01 – 2025-12-31 Source
Operating cash flow: -863214 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -759931 USD · 2026-01-01 – 2026-03-31 Source
Operating cash flow: -951238 USD · 2026-01-01 – 2026-06-30 Source
Operating cash flow: -759931 USD · 2026-01-01 – 2026-03-31 Source

Capital expenditure

622 USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Capital expenditure: 582 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 209 USD · 2025-01-01 – 2025-06-30 Source
Capital expenditure: 726 USD · 2025-01-01 – 2025-12-31 Source
Capital expenditure: 582 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 67 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 105 USD · 2026-01-01 – 2026-06-30 Source
Capital expenditure: 67 USD · 2026-01-01 – 2026-03-31 Source

Free cash flow

-1.56 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence

Operating cash flow: -863214 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -719701 USD · 2025-01-01 – 2025-06-30 Source
Operating cash flow: -1329161 USD · 2025-01-01 – 2025-12-31 Source
Operating cash flow: -863214 USD · 2025-01-01 – 2025-09-30 Source
Operating cash flow: -759931 USD · 2026-01-01 – 2026-03-31 Source
Operating cash flow: -951238 USD · 2026-01-01 – 2026-06-30 Source
Operating cash flow: -759931 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 582 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 209 USD · 2025-01-01 – 2025-06-30 Source
Capital expenditure: 726 USD · 2025-01-01 – 2025-12-31 Source
Capital expenditure: 582 USD · 2025-01-01 – 2025-09-30 Source
Capital expenditure: 67 USD · 2026-01-01 – 2026-03-31 Source
Capital expenditure: 105 USD · 2026-01-01 – 2026-06-30 Source
Capital expenditure: 67 USD · 2026-01-01 – 2026-03-31 Source

Includes later revisions to earlier periods. Annual charts exclude incomplete years.

Latest filing recorded: 2026-08-06.

Financial data available through: 2025-12-31.

Coverage by financial measure

Revenue: 11 of 11 periods available· newest 2025-12-31
Operating income: 11 of 11 periods available· newest 2025-12-31
Net income: 11 of 11 periods available· newest 2025-12-31
Operating cash flow: 11 of 11 periods available· newest 2025-12-31
Capital expenditure: 11 of 11 periods available· newest 2025-12-31
Total assets: 11 of 11 periods available· newest 2025-12-31
Total liabilities: 8 of 11 periods available· newest 2025-12-31
Current assets: 11 of 11 periods available· newest 2025-12-31
Current liabilities: 11 of 11 periods available· newest 2025-12-31
Cash and cash equivalents: 11 of 11 periods available· newest 2025-12-31
long term debt: No compatible figures in this window
Shares outstanding: 11 of 11 periods available· newest 2025-12-31

Coverage describes values retained in this snapshot. Missing values are not zero; loading limits are reported separately.

What changed year over year

Latest complete year compared with the corresponding period one year earlier. These are measured changes; they do not establish their business causes.

Revenue
-16%

Prior period

USD 1.34 million

2024-01-01 – 2024-12-31
Current period

USD 1.12 million

2025-01-01 – 2025-12-31

Exact inputs and evidence

1121248 − 1335531 = -214283 USD

1335531 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
1121248 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Revenue · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Year-over-year change in Revenue: -214283 USD Concept: fundies:Revenue Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:Revenue: 1121248 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#719788 Filing: 000149315226008988 Input fundies:Revenue: 1335531 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#720295 Filing: 000149315226008988
The citation records this snapshot. The page link may show a newer release later.
Net income
−USD 734,202

Prior period

−USD 1.31 million

2024-01-01 – 2024-12-31
Current period

−USD 2.05 million

2025-01-01 – 2025-12-31

Exact inputs and evidence

-2045584 − -1311382 = -734202 USD

-1311382 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
-2045584 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Net income · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Year-over-year change in Net income: -734202 USD Concept: fundies:NetIncome Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:NetIncome: -2045584 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#609180 Filing: 000149315226008988 Input fundies:NetIncome: -1311382 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#609548 Filing: 000149315226008988
The citation records this snapshot. The page link may show a newer release later.
Operating cash flow
−USD 540,342

Prior period

−USD 788,819

2024-01-01 – 2024-12-31
Current period

−USD 1.33 million

2025-01-01 – 2025-12-31

Exact inputs and evidence

-1329161 − -788819 = -540342 USD

-788819 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
-1329161 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Operating cash flow · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Year-over-year change in Operating cash flow: -540342 USD Concept: fundies:OperatingCashFlow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:OperatingCashFlow: -1329161 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619083 Filing: 000149315226008988 Input fundies:OperatingCashFlow: -788819 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619546 Filing: 000149315226008988
The citation records this snapshot. The page link may show a newer release later.
Capital expenditure
-55.3%

Prior period

USD 1,623

2024-01-01 – 2024-12-31
Current period

USD 726

2025-01-01 – 2025-12-31

Exact inputs and evidence

726 − 1623 = -897 USD

1623 USD · 2024-01-01 – 2024-12-31
Inspect prior input Prior source
726 USD · 2025-01-01 – 2025-12-31
Inspect current input Current source

Share or cite

Citation for Year-over-year change in Capital expenditure · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Year-over-year change in Capital expenditure: -897 USD Concept: fundies:CapitalExpenditure Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#period-changes-title Computed: Current period minus corresponding prior-year period Input fundies:CapitalExpenditure: 726 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621174 Filing: 000149315226008988 Input fundies:CapitalExpenditure: 1623 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621622 Filing: 000149315226008988
The citation records this snapshot. The page link may show a newer release later.

Where revenue goes

How a period’s revenue divides into costs and what remains as profit. Items marked Derived are calculated by subtraction from reported figures.

2025 2025-01-01 – 2025-12-31

Revenue USD 1.12 million 100% of revenue
Operating costs Derived USD 3.25 million 290% of revenue
Operating income −USD 2.13 million −190% of revenue
Tax, interest and other Derived −USD 86,584 −7.7% of revenue
Net income −USD 2.05 million −182% of revenue

Cash

Operating cash flow −USD 1.33 million −119% of revenue
Capital expenditure USD 726 0.1% of revenue
Free cash flow Derived −USD 1.33 million −119% of revenue

Share of revenue by period

Net income
Tax, interest and other
Operating costs

2016 Operating loss: operating costs were 445% of revenue.
2017 Operating loss: operating costs were 260% of revenue.
2018 Operating loss: operating costs were 262% of revenue.
2019 Operating loss: operating costs were 301% of revenue.
2020 Operating loss: operating costs were 411% of revenue.
2021 Operating loss: operating costs were 246% of revenue.
2022 Operating loss: operating costs were 586% of revenue.
2023 Operating loss: operating costs were 324% of revenue.
2024 Operating loss: operating costs were 208% of revenue.
2025 Operating loss: operating costs were 290% of revenue.

Values and sources

Revenue breakdown by annual reporting period
Period	Revenue	Operating costs	Operating income	Tax, interest and other	Net income	Free cash flow	Source
2016 2016-01-01 – 2016-12-31	1236097	5504042 Derived	-4267945	-29535 Derived	-4238410	-4017158 Derived	Source 2016-01-01 – 2016-12-31: 1236097 USD Inspect Revenue Open source 2016-01-01 – 2016-12-31: -4267945 USD Inspect Operating Income Open source 2016-01-01 – 2016-12-31: -4238410 USD Inspect Net Income Open source 2016-01-01 – 2016-12-31: -4005443 USD Inspect Operating Cash Flow Open source 2016-01-01 – 2016-12-31: 11715 USD Inspect Capital Expenditure Open source
2017 2017-01-01 – 2017-12-31	1509070	3927681 Derived	-2418611	-4752 Derived	-2413859	-1477089 Derived	Source 2017-01-01 – 2017-12-31: 1509070 USD Inspect Revenue Open source 2017-01-01 – 2017-12-31: -2418611 USD Inspect Operating Income Open source 2017-01-01 – 2017-12-31: -2413859 USD Inspect Net Income Open source 2017-01-01 – 2017-12-31: -1470540 USD Inspect Operating Cash Flow Open source 2017-01-01 – 2017-12-31: 6549 USD Inspect Capital Expenditure Open source
2018 2018-01-01 – 2018-12-31	1488642	3906861 Derived	-2418219	267909 Derived	-2686128	-2082723 Derived	Source 2018-01-01 – 2018-12-31: 1488642 USD Inspect Revenue Open source 2018-01-01 – 2018-12-31: -2418219 USD Inspect Operating Income Open source 2018-01-01 – 2018-12-31: -2686128 USD Inspect Net Income Open source 2018-01-01 – 2018-12-31: -2071060 USD Inspect Operating Cash Flow Open source 2018-01-01 – 2018-12-31: 11663 USD Inspect Capital Expenditure Open source
2019 2019-01-01 – 2019-12-31	1564024	4713363 Derived	-3149339	659639 Derived	-3808978	-2148001 Derived	Source 2019-01-01 – 2019-12-31: 1564024 USD Inspect Revenue Open source 2019-01-01 – 2019-12-31: -3149339 USD Inspect Operating Income Open source 2019-01-01 – 2019-12-31: -3808978 USD Inspect Net Income Open source 2019-01-01 – 2019-12-31: -2082719 USD Inspect Operating Cash Flow Open source 2019-01-01 – 2019-12-31: 65282 USD Inspect Capital Expenditure Open source
2020 2020-01-01 – 2020-12-31	828450	3405839 Derived	-2577389	-236525 Derived	-2340864	-2309227 Derived	Source 2020-01-01 – 2020-12-31: 828450 USD Inspect Revenue Open source 2020-01-01 – 2020-12-31: -2577389 USD Inspect Operating Income Open source 2020-01-01 – 2020-12-31: -2340864 USD Inspect Net Income Open source 2020-01-01 – 2020-12-31: -2252691 USD Inspect Operating Cash Flow Open source 2020-01-01 – 2020-12-31: 56536 USD Inspect Capital Expenditure Open source
2021 2021-01-01 – 2021-12-31	1263034	3101849 Derived	-1838815	7537 Derived	-1846352	-1805370 Derived	Source 2021-01-01 – 2021-12-31: 1263034 USD Inspect Revenue Open source 2021-01-01 – 2021-12-31: -1838815 USD Inspect Operating Income Open source 2021-01-01 – 2021-12-31: -1846352 USD Inspect Net Income Open source 2021-01-01 – 2021-12-31: -1804293 USD Inspect Operating Cash Flow Open source 2021-01-01 – 2021-12-31: 1077 USD Inspect Capital Expenditure Open source
2022 2022-01-01 – 2022-12-31	539686	3164816 Derived	-2625130	44219 Derived	-2669349	-2184016 Derived	Source 2022-01-01 – 2022-12-31: 539686 USD Inspect Revenue Open source 2022-01-01 – 2022-12-31: -2625130 USD Inspect Operating Income Open source 2022-01-01 – 2022-12-31: -2669349 USD Inspect Net Income Open source 2022-01-01 – 2022-12-31: -2182745 USD Inspect Operating Cash Flow Open source 2022-01-01 – 2022-12-31: 1271 USD Inspect Capital Expenditure Open source
2023 2023-01-01 – 2023-12-31	909598	2942900 Derived	-2033302	-124938 Derived	-1908364	-2296609 Derived	Source 2023-01-01 – 2023-12-31: 909598 USD Inspect Revenue Open source 2023-01-01 – 2023-12-31: -2033302 USD Inspect Operating Income Open source 2023-01-01 – 2023-12-31: -1908364 USD Inspect Net Income Open source 2023-01-01 – 2023-12-31: -2295051 USD Inspect Operating Cash Flow Open source 2023-01-01 – 2023-12-31: 1558 USD Inspect Capital Expenditure Open source
2024 2024-01-01 – 2024-12-31	1335531	2777404 Derived	-1441873	-130491 Derived	-1311382	-790442 Derived	Source 2024-01-01 – 2024-12-31: 1335531 USD Inspect Revenue Open source 2024-01-01 – 2024-12-31: -1441873 USD Inspect Operating Income Open source 2024-01-01 – 2024-12-31: -1311382 USD Inspect Net Income Open source 2024-01-01 – 2024-12-31: -788819 USD Inspect Operating Cash Flow Open source 2024-01-01 – 2024-12-31: 1623 USD Inspect Capital Expenditure Open source
2025 2025-01-01 – 2025-12-31	1121248	3253416 Derived	-2132168	-86584 Derived	-2045584	-1329887 Derived	Source 2025-01-01 – 2025-12-31: 1121248 USD Inspect Revenue Open source 2025-01-01 – 2025-12-31: -2132168 USD Inspect Operating Income Open source 2025-01-01 – 2025-12-31: -2045584 USD Inspect Net Income Open source 2025-01-01 – 2025-12-31: -1329161 USD Inspect Operating Cash Flow Open source 2025-01-01 – 2025-12-31: 726 USD Inspect Capital Expenditure Open source

Amounts are exact, in USD.

Growth

Sales over time and how quickly they are changing.

Revenue

Revenue reported for each complete financial period.

USD 1.1M 2025

Values and sources

Revenue values and source evidence
Period	Series	Value(USD)	Source evidence
20162016-12-31	Revenue	1236097	Revenue: 1236097 Open source
20172017-12-31	Revenue	1509070	Revenue: 1509070 Open source
20182018-12-31	Revenue	1488642	Revenue: 1488642 Open source
20192019-12-31	Revenue	1564024	Revenue: 1564024 Open source
20202020-12-31	Revenue	828450	Revenue: 828450 Open source
20212021-12-31	Revenue	1263034	Revenue: 1263034 Open source
20222022-12-31	Revenue	539686	Revenue: 539686 Open source
20232023-12-31	Revenue	909598	Revenue: 909598 Open source
20242024-12-31	Revenue	1335531	Revenue: 1335531 Open source
20252025-12-31	Revenue	1121248	Revenue: 1121248 Open source

Revenue growth

Change in revenue from the same financial period one year earlier.

-16% 2025

Values and sources

Revenue growth values and source evidence
Period	Series	Value	Source evidence
20162016-12-31	Year over year	-38.4%	Revenue: 1236097 Open source Revenue: 2007482 Open source
20172017-12-31	Year over year	22.1%	Revenue: 1509070 Open source Revenue: 1236097 Open source
20182018-12-31	Year over year	-1.4%	Revenue: 1488642 Open source Revenue: 1509070 Open source
20192019-12-31	Year over year	5.1%	Revenue: 1564024 Open source Revenue: 1488642 Open source
20202020-12-31	Year over year	-47%	Revenue: 828450 Open source Revenue: 1564024 Open source
20212021-12-31	Year over year	52.5%	Revenue: 1263034 Open source Revenue: 828450 Open source
20222022-12-31	Year over year	-57.3%	Revenue: 539686 Open source Revenue: 1263034 Open source
20232023-12-31	Year over year	68.5%	Revenue: 909598 Open source Revenue: 539686 Open source
20242024-12-31	Year over year	46.8%	Revenue: 1335531 Open source Revenue: 909598 Open source
20252025-12-31	Year over year	-16%	Revenue: 1121248 Open source Revenue: 1335531 Open source

Profit and cash

How much revenue becomes profit, and how much cash operations generate.

Profit margins

Operating income, net income and free cash flow as a share of revenue.

Operating margin -190.2% 2025

Net margin -182.4% 2025

Free cash flow margin -118.6% 2025

Operating margin
Net margin
Free cash flow margin

Values and sources

Profit margins values and source evidence
Period	Series	Value	Source evidence
20162016-12-31	Operating margin	-345.3%	Operating Income: -4267945 Open source Revenue: 1236097 Open source
20172017-12-31	Operating margin	-160.3%	Operating Income: -2418611 Open source Revenue: 1509070 Open source
20182018-12-31	Operating margin	-162.4%	Operating Income: -2418219 Open source Revenue: 1488642 Open source
20192019-12-31	Operating margin	-201.4%	Operating Income: -3149339 Open source Revenue: 1564024 Open source
20202020-12-31	Operating margin	-311.1%	Operating Income: -2577389 Open source Revenue: 828450 Open source
20212021-12-31	Operating margin	-145.6%	Operating Income: -1838815 Open source Revenue: 1263034 Open source
20222022-12-31	Operating margin	-486.4%	Operating Income: -2625130 Open source Revenue: 539686 Open source
20232023-12-31	Operating margin	-223.5%	Operating Income: -2033302 Open source Revenue: 909598 Open source
20242024-12-31	Operating margin	-108%	Operating Income: -1441873 Open source Revenue: 1335531 Open source
20252025-12-31	Operating margin	-190.2%	Operating Income: -2132168 Open source Revenue: 1121248 Open source
20162016-12-31	Net margin	-342.9%	Net Income: -4238410 Open source Revenue: 1236097 Open source
20172017-12-31	Net margin	-160%	Net Income: -2413859 Open source Revenue: 1509070 Open source
20182018-12-31	Net margin	-180.4%	Net Income: -2686128 Open source Revenue: 1488642 Open source
20192019-12-31	Net margin	-243.5%	Net Income: -3808978 Open source Revenue: 1564024 Open source
20202020-12-31	Net margin	-282.6%	Net Income: -2340864 Open source Revenue: 828450 Open source
20212021-12-31	Net margin	-146.2%	Net Income: -1846352 Open source Revenue: 1263034 Open source
20222022-12-31	Net margin	-494.6%	Net Income: -2669349 Open source Revenue: 539686 Open source
20232023-12-31	Net margin	-209.8%	Net Income: -1908364 Open source Revenue: 909598 Open source
20242024-12-31	Net margin	-98.2%	Net Income: -1311382 Open source Revenue: 1335531 Open source
20252025-12-31	Net margin	-182.4%	Net Income: -2045584 Open source Revenue: 1121248 Open source
20162016-12-31	Free cash flow margin	-325%	Revenue: 1236097 Open source Operating Cash Flow: -4005443 Open source Capital Expenditure: 11715 Open source
20172017-12-31	Free cash flow margin	-97.9%	Revenue: 1509070 Open source Operating Cash Flow: -1470540 Open source Capital Expenditure: 6549 Open source
20182018-12-31	Free cash flow margin	-139.9%	Revenue: 1488642 Open source Operating Cash Flow: -2071060 Open source Capital Expenditure: 11663 Open source
20192019-12-31	Free cash flow margin	-137.3%	Revenue: 1564024 Open source Operating Cash Flow: -2082719 Open source Capital Expenditure: 65282 Open source
20202020-12-31	Free cash flow margin	-278.7%	Revenue: 828450 Open source Operating Cash Flow: -2252691 Open source Capital Expenditure: 56536 Open source
20212021-12-31	Free cash flow margin	-142.9%	Revenue: 1263034 Open source Operating Cash Flow: -1804293 Open source Capital Expenditure: 1077 Open source
20222022-12-31	Free cash flow margin	-404.7%	Revenue: 539686 Open source Operating Cash Flow: -2182745 Open source Capital Expenditure: 1271 Open source
20232023-12-31	Free cash flow margin	-252.5%	Revenue: 909598 Open source Operating Cash Flow: -2295051 Open source Capital Expenditure: 1558 Open source
20242024-12-31	Free cash flow margin	-59.2%	Revenue: 1335531 Open source Operating Cash Flow: -788819 Open source Capital Expenditure: 1623 Open source
20252025-12-31	Free cash flow margin	-118.6%	Revenue: 1121248 Open source Operating Cash Flow: -1329161 Open source Capital Expenditure: 726 Open source

Operating cash flow

Cash generated by the company’s normal business operations.

USD -1.3M 2025

Values and sources

Operating cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20162016-12-31	Operating cash flow	-4005443	Operating Cash Flow: -4005443 Open source
20172017-12-31	Operating cash flow	-1470540	Operating Cash Flow: -1470540 Open source
20182018-12-31	Operating cash flow	-2071060	Operating Cash Flow: -2071060 Open source
20192019-12-31	Operating cash flow	-2082719	Operating Cash Flow: -2082719 Open source
20202020-12-31	Operating cash flow	-2252691	Operating Cash Flow: -2252691 Open source
20212021-12-31	Operating cash flow	-1804293	Operating Cash Flow: -1804293 Open source
20222022-12-31	Operating cash flow	-2182745	Operating Cash Flow: -2182745 Open source
20232023-12-31	Operating cash flow	-2295051	Operating Cash Flow: -2295051 Open source
20242024-12-31	Operating cash flow	-788819	Operating Cash Flow: -788819 Open source
20252025-12-31	Operating cash flow	-1329161	Operating Cash Flow: -1329161 Open source

Free cash flow

Operating cash flow minus capital expenditure for the same period and unit.

USD -1.3M 2025

Values and sources

Free cash flow values and source evidence
Period	Series	Value(USD)	Source evidence
20162016-12-31	Free cash flow	-4017158	Operating Cash Flow: -4005443 Open source Capital Expenditure: 11715 Open source
20172017-12-31	Free cash flow	-1477089	Operating Cash Flow: -1470540 Open source Capital Expenditure: 6549 Open source
20182018-12-31	Free cash flow	-2082723	Operating Cash Flow: -2071060 Open source Capital Expenditure: 11663 Open source
20192019-12-31	Free cash flow	-2148001	Operating Cash Flow: -2082719 Open source Capital Expenditure: 65282 Open source
20202020-12-31	Free cash flow	-2309227	Operating Cash Flow: -2252691 Open source Capital Expenditure: 56536 Open source
20212021-12-31	Free cash flow	-1805370	Operating Cash Flow: -1804293 Open source Capital Expenditure: 1077 Open source
20222022-12-31	Free cash flow	-2184016	Operating Cash Flow: -2182745 Open source Capital Expenditure: 1271 Open source
20232023-12-31	Free cash flow	-2296609	Operating Cash Flow: -2295051 Open source Capital Expenditure: 1558 Open source
20242024-12-31	Free cash flow	-790442	Operating Cash Flow: -788819 Open source Capital Expenditure: 1623 Open source
20252025-12-31	Free cash flow	-1329887	Operating Cash Flow: -1329161 Open source Capital Expenditure: 726 Open source

Balance sheet

Liabilities and short-term ability to meet obligations at each period end.

Liabilities to assets

Total liabilities as a share of total assets.

58.5% 2025

Values and sources

Liabilities to assets values and source evidence
Period	Series	Value	Source evidence
2016-12-31	Liabilities / assets	Not reported	Total Assets: 5274196 Open source
2017-12-31	Liabilities / assets	Not reported	Total Assets: 2881113 Open source
20182018-12-31	Liabilities / assets	23.6%	Total Liabilities: 959076 Open source Total Assets: 4058566 Open source
20192019-12-31	Liabilities / assets	14.5%	Total Liabilities: 1200025 Open source Total Assets: 8256133 Open source
20202020-12-31	Liabilities / assets	14.1%	Total Liabilities: 872285 Open source Total Assets: 6199290 Open source
20212021-12-31	Liabilities / assets	16.8%	Total Liabilities: 762064 Open source Total Assets: 4545987 Open source
20222022-12-31	Liabilities / assets	10.6%	Total Liabilities: 569586 Open source Total Assets: 5366451 Open source
20232023-12-31	Liabilities / assets	8.6%	Total Liabilities: 332794 Open source Total Assets: 3850525 Open source
20242024-12-31	Liabilities / assets	35.5%	Total Liabilities: 1435312 Open source Total Assets: 4039647 Open source
20252025-12-31	Liabilities / assets	58.5%	Total Liabilities: 1318119 Open source Total Assets: 2251745 Open source

Current assets to current liabilities

Current assets divided by current liabilities.

3.84× 2025

Values and sources

Current assets to current liabilities values and source evidence
Period	Series	Value	Source evidence
20162016-12-31	Current assets / current liabilities	12.43×	Current Assets: 4588974 Open source Current Liabilities: 369270 Open source
20172017-12-31	Current assets / current liabilities	7.54×	Current Assets: 2364985 Open source Current Liabilities: 313747 Open source
20182018-12-31	Current assets / current liabilities	8.11×	Current Assets: 3711822 Open source Current Liabilities: 457662 Open source
20192019-12-31	Current assets / current liabilities	18.86×	Current Assets: 7306857 Open source Current Liabilities: 387429 Open source
20202020-12-31	Current assets / current liabilities	24.01×	Current Assets: 5427509 Open source Current Liabilities: 226066 Open source
20212021-12-31	Current assets / current liabilities	13.26×	Current Assets: 3949642 Open source Current Liabilities: 297936 Open source
20222022-12-31	Current assets / current liabilities	16.3×	Current Assets: 4921488 Open source Current Liabilities: 301863 Open source
20232023-12-31	Current assets / current liabilities	12.89×	Current Assets: 3576146 Open source Current Liabilities: 277431 Open source
20242024-12-31	Current assets / current liabilities	10.21×	Current Assets: 2745889 Open source Current Liabilities: 269027 Open source
20252025-12-31	Current assets / current liabilities	3.84×	Current Assets: 1143934 Open source Current Liabilities: 297877 Open source

Cash generation

Compare reported profit with operating cash and capital spending. Free cash flow is calculated as operating cash flow minus capital expenditure when both exact, consolidated amounts match the same period and unit.

Cash generation by annual reporting period
Period	Net income	Operating cash flow	Capital expenditure	Free cash flow
2016 2016-01-01 – 2016-12-31	−USD 4.24 million Exact value Exact value: -4238410 USD 2016-01-01 – 2016-12-31: -4238410 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2016-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -4238410 USD Concept: fundies:NetIncome Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:NetIncome: -4238410 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#114722 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	−USD 4.01 million Exact value Exact value: -4005443 USD 2016-01-01 – 2016-12-31: -4005443 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2016-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -4005443 USD Concept: fundies:OperatingCashFlow Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -4005443 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122134 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	USD 11,715 Exact value Exact value: 11715 USD 2016-01-01 – 2016-12-31: 11715 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2016-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 11715 USD Concept: fundies:CapitalExpenditure Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2016-12-31&surface=latest&period_type=duration&start=2016-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 11715 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122682 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	−USD 4.02 million Calculation and evidence -4005443 − 11715 USD Exact free cash flow: -4017158 USD 2016-01-01 – 2016-12-31: -4005443 USD · Inspect Operating Cash Flow · Source 2016-01-01 – 2016-12-31: 11715 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2016-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -4017158 USD Concept: free-cash-flow Period: 2016-01-01 to 2016-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -4005443 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122134 Filing: 000149315219003330 Input fundies:CapitalExpenditure: 11715 USD (2016-01-01 to 2016-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122682 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.
2017 2017-01-01 – 2017-12-31	−USD 2.41 million Exact value Exact value: -2413859 USD 2017-01-01 – 2017-12-31: -2413859 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2017-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -2413859 USD Concept: fundies:NetIncome Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:NetIncome: -2413859 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#114595 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	−USD 1.47 million Exact value Exact value: -1470540 USD 2017-01-01 – 2017-12-31: -1470540 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2017-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -1470540 USD Concept: fundies:OperatingCashFlow Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -1470540 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#121949 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	USD 6,549 Exact value Exact value: 6549 USD 2017-01-01 – 2017-12-31: 6549 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2017-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 6549 USD Concept: fundies:CapitalExpenditure Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2017-12-31&surface=latest&period_type=duration&start=2017-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 6549 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122501 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.	−USD 1.48 million Calculation and evidence -1470540 − 6549 USD Exact free cash flow: -1477089 USD 2017-01-01 – 2017-12-31: -1470540 USD · Inspect Operating Cash Flow · Source 2017-01-01 – 2017-12-31: 6549 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2017-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -1477089 USD Concept: free-cash-flow Period: 2017-01-01 to 2017-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -1470540 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#121949 Filing: 000149315219003330 Input fundies:CapitalExpenditure: 6549 USD (2017-01-01 to 2017-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315219003330/refr-20181231.xml#122501 Filing: 000149315219003330 The citation records this snapshot. The page link may show a newer release later.
2018 2018-01-01 – 2018-12-31	−USD 2.69 million Exact value Exact value: -2686128 USD 2018-01-01 – 2018-12-31: -2686128 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2018-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -2686128 USD Concept: fundies:NetIncome Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:NetIncome: -2686128 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315220003807/refr-20191231.xml#65167 Filing: 000149315220003807 The citation records this snapshot. The page link may show a newer release later.	−USD 2.07 million Exact value Exact value: -2071060 USD 2018-01-01 – 2018-12-31: -2071060 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2018-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -2071060 USD Concept: fundies:OperatingCashFlow Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -2071060 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315220003807/refr-20191231.xml#69943 Filing: 000149315220003807 The citation records this snapshot. The page link may show a newer release later.	USD 11,663 Exact value Exact value: 11663 USD 2018-01-01 – 2018-12-31: 11663 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2018-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 11663 USD Concept: fundies:CapitalExpenditure Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2018-12-31&surface=latest&period_type=duration&start=2018-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 11663 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315220003807/refr-20191231.xml#70310 Filing: 000149315220003807 The citation records this snapshot. The page link may show a newer release later.	−USD 2.08 million Calculation and evidence -2071060 − 11663 USD Exact free cash flow: -2082723 USD 2018-01-01 – 2018-12-31: -2071060 USD · Inspect Operating Cash Flow · Source 2018-01-01 – 2018-12-31: 11663 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2018-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -2082723 USD Concept: free-cash-flow Period: 2018-01-01 to 2018-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -2071060 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315220003807/refr-20191231.xml#69943 Filing: 000149315220003807 Input fundies:CapitalExpenditure: 11663 USD (2018-01-01 to 2018-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315220003807/refr-20191231.xml#70310 Filing: 000149315220003807 The citation records this snapshot. The page link may show a newer release later.
2019 2019-01-01 – 2019-12-31	−USD 3.81 million Exact value Exact value: -3808978 USD 2019-01-01 – 2019-12-31: -3808978 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2019-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -3808978 USD Concept: fundies:NetIncome Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:NetIncome: -3808978 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315221005808/refr-20201231.xml#54179 Filing: 000149315221005808 The citation records this snapshot. The page link may show a newer release later.	−USD 2.08 million Exact value Exact value: -2082719 USD 2019-01-01 – 2019-12-31: -2082719 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2019-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -2082719 USD Concept: fundies:OperatingCashFlow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -2082719 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315221005808/refr-20201231.xml#55735 Filing: 000149315221005808 The citation records this snapshot. The page link may show a newer release later.	USD 65,282 Exact value Exact value: 65282 USD 2019-01-01 – 2019-12-31: 65282 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2019-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 65282 USD Concept: fundies:CapitalExpenditure Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2019-12-31&surface=latest&period_type=duration&start=2019-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 65282 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315221005808/refr-20201231.xml#56102 Filing: 000149315221005808 The citation records this snapshot. The page link may show a newer release later.	−USD 2.15 million Calculation and evidence -2082719 − 65282 USD Exact free cash flow: -2148001 USD 2019-01-01 – 2019-12-31: -2082719 USD · Inspect Operating Cash Flow · Source 2019-01-01 – 2019-12-31: 65282 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2019-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -2148001 USD Concept: free-cash-flow Period: 2019-01-01 to 2019-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -2082719 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315221005808/refr-20201231.xml#55735 Filing: 000149315221005808 Input fundies:CapitalExpenditure: 65282 USD (2019-01-01 to 2019-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315221005808/refr-20201231.xml#56102 Filing: 000149315221005808 The citation records this snapshot. The page link may show a newer release later.
2020 2020-01-01 – 2020-12-31	−USD 2.34 million Exact value Exact value: -2340864 USD 2020-01-01 – 2020-12-31: -2340864 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2020-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -2340864 USD Concept: fundies:NetIncome Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:NetIncome: -2340864 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315222006393/form10-k.htm#934184 Filing: 000149315222006393 The citation records this snapshot. The page link may show a newer release later.	−USD 2.25 million Exact value Exact value: -2252691 USD 2020-01-01 – 2020-12-31: -2252691 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2020-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -2252691 USD Concept: fundies:OperatingCashFlow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -2252691 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315222006393/form10-k.htm#951265 Filing: 000149315222006393 The citation records this snapshot. The page link may show a newer release later.	USD 56,536 Exact value Exact value: 56536 USD 2020-01-01 – 2020-12-31: 56536 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2020-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 56536 USD Concept: fundies:CapitalExpenditure Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2020-12-31&surface=latest&period_type=duration&start=2020-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 56536 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315222006393/form10-k.htm#954826 Filing: 000149315222006393 The citation records this snapshot. The page link may show a newer release later.	−USD 2.31 million Calculation and evidence -2252691 − 56536 USD Exact free cash flow: -2309227 USD 2020-01-01 – 2020-12-31: -2252691 USD · Inspect Operating Cash Flow · Source 2020-01-01 – 2020-12-31: 56536 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2020-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -2309227 USD Concept: free-cash-flow Period: 2020-01-01 to 2020-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -2252691 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315222006393/form10-k.htm#951265 Filing: 000149315222006393 Input fundies:CapitalExpenditure: 56536 USD (2020-01-01 to 2020-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315222006393/form10-k.htm#954826 Filing: 000149315222006393 The citation records this snapshot. The page link may show a newer release later.
2021 2021-01-01 – 2021-12-31	−USD 1.85 million Exact value Exact value: -1846352 USD 2021-01-01 – 2021-12-31: -1846352 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2021-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -1846352 USD Concept: fundies:NetIncome Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:NetIncome: -1846352 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315223007116/form10-k.htm#948118 Filing: 000149315223007116 The citation records this snapshot. The page link may show a newer release later.	−USD 1.8 million Exact value Exact value: -1804293 USD 2021-01-01 – 2021-12-31: -1804293 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2021-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -1804293 USD Concept: fundies:OperatingCashFlow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -1804293 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315223007116/form10-k.htm#960409 Filing: 000149315223007116 The citation records this snapshot. The page link may show a newer release later.	USD 1,077 Exact value Exact value: 1077 USD 2021-01-01 – 2021-12-31: 1077 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2021-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 1077 USD Concept: fundies:CapitalExpenditure Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2021-12-31&surface=latest&period_type=duration&start=2021-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1077 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315223007116/form10-k.htm#962244 Filing: 000149315223007116 The citation records this snapshot. The page link may show a newer release later.	−USD 1.81 million Calculation and evidence -1804293 − 1077 USD Exact free cash flow: -1805370 USD 2021-01-01 – 2021-12-31: -1804293 USD · Inspect Operating Cash Flow · Source 2021-01-01 – 2021-12-31: 1077 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2021-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -1805370 USD Concept: free-cash-flow Period: 2021-01-01 to 2021-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -1804293 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315223007116/form10-k.htm#960409 Filing: 000149315223007116 Input fundies:CapitalExpenditure: 1077 USD (2021-01-01 to 2021-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315223007116/form10-k.htm#962244 Filing: 000149315223007116 The citation records this snapshot. The page link may show a newer release later.
2022 2022-01-01 – 2022-12-31	−USD 2.67 million Exact value Exact value: -2669349 USD 2022-01-01 – 2022-12-31: -2669349 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2022-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -2669349 USD Concept: fundies:NetIncome Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:NetIncome: -2669349 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315224009207/form10-k.htm#967102 Filing: 000149315224009207 The citation records this snapshot. The page link may show a newer release later.	−USD 2.18 million Exact value Exact value: -2182745 USD 2022-01-01 – 2022-12-31: -2182745 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2022-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -2182745 USD Concept: fundies:OperatingCashFlow Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -2182745 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315224009207/form10-k.htm#979202 Filing: 000149315224009207 The citation records this snapshot. The page link may show a newer release later.	USD 1,271 Exact value Exact value: 1271 USD 2022-01-01 – 2022-12-31: 1271 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2022-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 1271 USD Concept: fundies:CapitalExpenditure Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2022-12-31&surface=latest&period_type=duration&start=2022-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1271 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315224009207/form10-k.htm#981056 Filing: 000149315224009207 The citation records this snapshot. The page link may show a newer release later.	−USD 2.18 million Calculation and evidence -2182745 − 1271 USD Exact free cash flow: -2184016 USD 2022-01-01 – 2022-12-31: -2182745 USD · Inspect Operating Cash Flow · Source 2022-01-01 – 2022-12-31: 1271 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2022-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -2184016 USD Concept: free-cash-flow Period: 2022-01-01 to 2022-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -2182745 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315224009207/form10-k.htm#979202 Filing: 000149315224009207 Input fundies:CapitalExpenditure: 1271 USD (2022-01-01 to 2022-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315224009207/form10-k.htm#981056 Filing: 000149315224009207 The citation records this snapshot. The page link may show a newer release later.
2023 2023-01-01 – 2023-12-31	−USD 1.91 million Exact value Exact value: -1908364 USD 2023-01-01 – 2023-12-31: -1908364 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2023-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -1908364 USD Concept: fundies:NetIncome Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:NetIncome: -1908364 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315225009377/form10-k.htm#922555 Filing: 000149315225009377 The citation records this snapshot. The page link may show a newer release later.	−USD 2.3 million Exact value Exact value: -2295051 USD 2023-01-01 – 2023-12-31: -2295051 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2023-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -2295051 USD Concept: fundies:OperatingCashFlow Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -2295051 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315225009377/form10-k.htm#933399 Filing: 000149315225009377 The citation records this snapshot. The page link may show a newer release later.	USD 1,558 Exact value Exact value: 1558 USD 2023-01-01 – 2023-12-31: 1558 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2023-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 1558 USD Concept: fundies:CapitalExpenditure Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2023-12-31&surface=latest&period_type=duration&start=2023-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1558 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315225009377/form10-k.htm#935264 Filing: 000149315225009377 The citation records this snapshot. The page link may show a newer release later.	−USD 2.3 million Calculation and evidence -2295051 − 1558 USD Exact free cash flow: -2296609 USD 2023-01-01 – 2023-12-31: -2295051 USD · Inspect Operating Cash Flow · Source 2023-01-01 – 2023-12-31: 1558 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2023-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -2296609 USD Concept: free-cash-flow Period: 2023-01-01 to 2023-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -2295051 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315225009377/form10-k.htm#933399 Filing: 000149315225009377 Input fundies:CapitalExpenditure: 1558 USD (2023-01-01 to 2023-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315225009377/form10-k.htm#935264 Filing: 000149315225009377 The citation records this snapshot. The page link may show a newer release later.
2024 2024-01-01 – 2024-12-31	−USD 1.31 million Exact value Exact value: -1311382 USD 2024-01-01 – 2024-12-31: -1311382 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2024-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -1311382 USD Concept: fundies:NetIncome Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:NetIncome: -1311382 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#609548 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	−USD 788,819 Exact value Exact value: -788819 USD 2024-01-01 – 2024-12-31: -788819 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2024-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -788819 USD Concept: fundies:OperatingCashFlow Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -788819 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619546 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	USD 1,623 Exact value Exact value: 1623 USD 2024-01-01 – 2024-12-31: 1623 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2024-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 1623 USD Concept: fundies:CapitalExpenditure Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2024-12-31&surface=latest&period_type=duration&start=2024-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 1623 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621622 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	−USD 790,442 Calculation and evidence -788819 − 1623 USD Exact free cash flow: -790442 USD 2024-01-01 – 2024-12-31: -788819 USD · Inspect Operating Cash Flow · Source 2024-01-01 – 2024-12-31: 1623 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2024-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -790442 USD Concept: free-cash-flow Period: 2024-01-01 to 2024-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -788819 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619546 Filing: 000149315226008988 Input fundies:CapitalExpenditure: 1623 USD (2024-01-01 to 2024-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621622 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.
2025 2025-01-01 – 2025-12-31	−USD 2.05 million Exact value Exact value: -2045584 USD 2025-01-01 – 2025-12-31: -2045584 USD Inspect Net Income Open source Share or cite Citation for Net Income · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Net Income: -2045584 USD Concept: fundies:NetIncome Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ANetIncome&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:NetIncome: -2045584 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#609180 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	−USD 1.33 million Exact value Exact value: -1329161 USD 2025-01-01 – 2025-12-31: -1329161 USD Inspect Operating Cash Flow Open source Share or cite Citation for Operating Cash Flow · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Operating Cash Flow: -1329161 USD Concept: fundies:OperatingCashFlow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3AOperatingCashFlow&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:OperatingCashFlow: -1329161 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619083 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	USD 726 Exact value Exact value: 726 USD 2025-01-01 – 2025-12-31: 726 USD Inspect Capital Expenditure Open source Share or cite Citation for Capital Expenditure · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Capital Expenditure: 726 USD Concept: fundies:CapitalExpenditure Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524/explain?concept=fundies%3ACapitalExpenditure&period=2025-12-31&surface=latest&period_type=duration&start=2025-01-01&unit=USD&dimensions= Input fundies:CapitalExpenditure: 726 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621174 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.	−USD 1.33 million Calculation and evidence -1329161 − 726 USD Exact free cash flow: -1329887 USD 2025-01-01 – 2025-12-31: -1329161 USD · Inspect Operating Cash Flow · Source 2025-01-01 – 2025-12-31: 726 USD · Inspect Capital Expenditure · Source Share or cite Citation for Free cash flow · RESEARCH FRONTIERS INC · 2025-12-31 RESEARCH FRONTIERS INC (edgar:793524) Free cash flow: -1329887 USD Concept: free-cash-flow Period: 2025-01-01 to 2025-12-31 Values: Latest reported Published: 2026-11-02T05:33:31Z Snapshot: 35801a0e04c3fa94d6bb81ac78f45d4f0bb4e9eb4493931680698238f7fa5436 Dimensions: Consolidated View: https://fundies.io/companies/edgar/793524?view=overview&cadence=annual&surface=latest#cash-generation-title Computed: Operating cash flow minus capital expenditure Input fundies:OperatingCashFlow: -1329161 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#619083 Filing: 000149315226008988 Input fundies:CapitalExpenditure: 726 USD (2025-01-01 to 2025-12-31) Dimensions: Consolidated Source: https://www.sec.gov/Archives/edgar/data/793524/000149315226008988/form10-k.htm#621174 Filing: 000149315226008988 The citation records this snapshot. The page link may show a newer release later.

Capital expenditure uses the canonical mapped positive-spending convention. A missing, ambiguous, incompatible, or negative-sign input is left blank. Values use the latest reported version.

Dataset coverage and company identifiers

Coverage reflects filings processed into this Fundies dataset; it does not imply every source filing is loaded.

146 filings · 3,228 latest values · 3,228 originally reported values

Dataset published 2026-11-02. Source filing dates and reporting periods are shown separately.

Identifiers: 0000793524, 793524, REFR, edgar:793524, refr

Also known as RESEARCH FRONTIERS INCORPORATED, RESEARCH FRONTIERS INC, RESEARCH FRONTIERS INCORPORATED

RESEARCH FRONTIERS INC

Latest quarter

Revenue

Operating margin

Operating cash flow

Free cash flow

Reported share-count change

Trailing twelve months

Revenue

Net income

Operating cash flow

Capital expenditure

Free cash flow

Company performance

What changed year over year

Revenue

Net income

Operating cash flow

Capital expenditure

Where revenue goes

2025 2025-01-01 – 2025-12-31

Cash

Share of revenue by period

Growth

Profit and cash

Balance sheet

Cash generation