Listed

Research Frontiers Inc

REFRNasdaqCIK 793524FinancialsFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$86.3k, Q2 FY2026
Operating income−$669.8k, Q2 FY2026
Net income−$660.2k, Q2 FY2026
Research Frontiers Inc, income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$k164Revenue, Q3 FY2023, three months to 2023-09-30$164.1k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure312Revenue, Q4 FY2023, three months to 2023-12-31$312.2k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure313Revenue, Q1 FY2024, three months to 2024-03-31$313.4k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure490Revenue, Q2 FY2024, three months to 2024-06-30$489.6k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure354Revenue, Q3 FY2024, three months to 2024-09-30$354.4k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure178Revenue, Q4 FY2024, three months to 2024-12-31$178.2k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure560Revenue, Q1 FY2025, three months to 2025-03-31$559.8k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure130Revenue, Q2 FY2025, three months to 2025-06-30$129.9k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure359Revenue, Q3 FY2025, three months to 2025-09-30$359.4k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure72.1Revenue, Q4 FY2025, three months to 2025-12-31$72.1k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure136Revenue, Q1 FY2026, three months to 2026-03-31$136.3k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure86.3Revenue, Q2 FY2026, three months to 2026-06-30$86.3k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Research and development$k135Research and development, Q3 FY2023, three months to 2023-09-30$135.3k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure153Research and development, Q4 FY2023, three months to 2023-12-31$153.1k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure150Research and development, Q1 FY2024, three months to 2024-03-31$149.7k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure129Research and development, Q2 FY2024, three months to 2024-06-30$128.8k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure131Research and development, Q3 FY2024, three months to 2024-09-30$131.2k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure160Research and development, Q4 FY2024, three months to 2024-12-31$160.2k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure163Research and development, Q1 FY2025, three months to 2025-03-31$162.9k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure169Research and development, Q2 FY2025, three months to 2025-06-30$169.1k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure142Research and development, Q3 FY2025, three months to 2025-09-30$141.7k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure135Research and development, Q4 FY2025, three months to 2025-12-31$135.0k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure145Research and development, Q1 FY2026, three months to 2026-03-31$145.3k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure129Research and development, Q2 FY2026, three months to 2026-06-30$128.9k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Operating income$k(514)Operating income, Q3 FY2023, three months to 2023-09-30−$513.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure(505)Operating income, Q4 FY2023, three months to 2023-12-31−$505.4k. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure(470)Operating income, Q1 FY2024, three months to 2024-03-31−$469.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure(116)Operating income, Q2 FY2024, three months to 2024-06-30−$116.1k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure(232)Operating income, Q3 FY2024, three months to 2024-09-30−$231.7k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure(624)Operating income, Q4 FY2024, three months to 2024-12-31−$624.3k. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(240)Operating income, Q1 FY2025, three months to 2025-03-31−$239.6k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(815)Operating income, Q2 FY2025, three months to 2025-06-30−$815.1k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure(304)Operating income, Q3 FY2025, three months to 2025-09-30−$303.9k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure(774)Operating income, Q4 FY2025, three months to 2025-12-31−$773.5k. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(530)Operating income, Q1 FY2026, three months to 2026-03-31−$530.4k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(670)Operating income, Q2 FY2026, three months to 2026-06-30−$669.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Income tax$knot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Net income$k(472)Net income, Q3 FY2023, three months to 2023-09-30−$472.2k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure(480)Net income, Q4 FY2023, three months to 2023-12-31−$479.9k. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure(443)Net income, Q1 FY2024, three months to 2024-03-31−$442.6k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure(94.0)Net income, Q2 FY2024, three months to 2024-06-30−$94.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure(167)Net income, Q3 FY2024, three months to 2024-09-30−$166.8k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure(608)Net income, Q4 FY2024, three months to 2024-12-31−$607.9k. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(178)Net income, Q1 FY2025, three months to 2025-03-31−$177.7k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(804)Net income, Q2 FY2025, three months to 2025-06-30−$803.8k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure(299)Net income, Q3 FY2025, three months to 2025-09-30−$298.5k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure(766)Net income, Q4 FY2025, three months to 2025-12-31−$765.6k. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(525)Net income, Q1 FY2026, three months to 2026-03-31−$525.4k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(660)Net income, Q2 FY2026, three months to 2026-06-30−$660.2k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Diluted EPS$ per share(0.01)Diluted EPS, Q3 FY2023, three months to 2023-09-30−$0.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figurenot reported(0.01)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$0.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure0.00Diluted EPS, Q2 FY2024, three months to 2024-06-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure0.00Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figurenot reported(0.01)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(0.02)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure(0.01)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figurenot reported(0.02)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(0.02)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Basic EPS$ per share(0.01)Basic EPS, Q3 FY2023, three months to 2023-09-30−$0.01 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figurenot reported(0.01)Basic EPS, Q1 FY2024, three months to 2024-03-31−$0.01 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure0.00Basic EPS, Q2 FY2024, three months to 2024-06-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure0.00Basic EPS, Q3 FY2024, three months to 2024-09-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figurenot reported(0.01)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.01 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(0.02)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure(0.01)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.01 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figurenot reported(0.02)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.02 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(0.02)Basic EPS, Q2 FY2026, three months to 2026-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure

Balance sheet

Cash and equivalents$1.1m, Q2 FY2026
Shareholders' equity$1.1m, Q2 FY2026
Research Frontiers Inc, balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$k525Cash and equivalents, Q3 FY2023, at 2023-09-30$525.0k. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure2,476Cash and equivalents, FY2023, at 2023-12-31$2.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-03-06, accession 0001493152-25-009377.Report this figure2,093Cash and equivalents, Q1 FY2024, at 2024-03-31$2.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure1,907Cash and equivalents, Q2 FY2024, at 2024-06-30$1.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure1,648Cash and equivalents, Q3 FY2024, at 2024-09-30$1.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure1,994Cash and equivalents, FY2024, at 2024-12-31$2.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure1,353Cash and equivalents, Q1 FY2025, at 2025-03-31$1.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure1,274Cash and equivalents, Q2 FY2025, at 2025-06-30$1.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure1,130Cash and equivalents, Q3 FY2025, at 2025-09-30$1.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure664Cash and equivalents, FY2025, at 2025-12-31$664.3k. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,279Cash and equivalents, Q1 FY2026, at 2026-03-31$1.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure1,088Cash and equivalents, Q2 FY2026, at 2026-06-30$1.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Current assets$k3,910Current assets, Q3 FY2023, at 2023-09-30$3.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure3,576Current assets, FY2023, at 2023-12-31$3.6m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-03-06, accession 0001493152-25-009377.Report this figure3,291Current assets, Q1 FY2024, at 2024-03-31$3.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure3,190Current assets, Q2 FY2024, at 2024-06-30$3.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure2,851Current assets, Q3 FY2024, at 2024-09-30$2.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure2,746Current assets, FY2024, at 2024-12-31$2.7m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure2,521Current assets, Q1 FY2025, at 2025-03-31$2.5m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure1,972Current assets, Q2 FY2025, at 2025-06-30$2.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure1,615Current assets, Q3 FY2025, at 2025-09-30$1.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure1,144Current assets, FY2025, at 2025-12-31$1.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure2,017Current assets, Q1 FY2026, at 2026-03-31$2.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure1,456Current assets, Q2 FY2026, at 2026-06-30$1.5m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Total assets$k4,227Total assets, Q3 FY2023, at 2023-09-30$4.2m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure3,851Total assets, FY2023, at 2023-12-31$3.9m. XBRL concept us-gaap:Assets. 10-K filed 2025-03-06, accession 0001493152-25-009377.Report this figure3,523Total assets, Q1 FY2024, at 2024-03-31$3.5m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure3,380Total assets, Q2 FY2024, at 2024-06-30$3.4m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure2,999Total assets, Q3 FY2024, at 2024-09-30$3.0m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure4,040Total assets, FY2024, at 2024-12-31$4.0m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure3,768Total assets, Q1 FY2025, at 2025-03-31$3.8m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure3,173Total assets, Q2 FY2025, at 2025-06-30$3.2m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure2,769Total assets, Q3 FY2025, at 2025-09-30$2.8m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure2,252Total assets, FY2025, at 2025-12-31$2.3m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure3,081Total assets, Q1 FY2026, at 2026-03-31$3.1m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure2,476Total assets, Q2 FY2026, at 2026-06-30$2.5m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Current liabilities$k264Current liabilities, Q3 FY2023, at 2023-09-30$264.2k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure277Current liabilities, FY2023, at 2023-12-31$277.4k. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-03-06, accession 0001493152-25-009377.Report this figure439Current liabilities, Q1 FY2024, at 2024-03-31$439.5k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure390Current liabilities, Q2 FY2024, at 2024-06-30$390.0k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure176Current liabilities, Q3 FY2024, at 2024-09-30$176.1k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure269Current liabilities, FY2024, at 2024-12-31$269.0k. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure211Current liabilities, Q1 FY2025, at 2025-03-31$210.7k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure280Current liabilities, Q2 FY2025, at 2025-06-30$280.2k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure212Current liabilities, Q3 FY2025, at 2025-09-30$212.1k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure298Current liabilities, FY2025, at 2025-12-31$297.9k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure316Current liabilities, Q1 FY2026, at 2026-03-31$316.1k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure411Current liabilities, Q2 FY2026, at 2026-06-30$410.9k. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Total liabilities$k374Total liabilities, Q3 FY2023, at 2023-09-30$374.2k. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure333Total liabilities, FY2023, at 2023-12-31$332.8k. XBRL concept us-gaap:Liabilities. 10-K filed 2025-03-06, accession 0001493152-25-009377.Report this figure439Total liabilities, Q1 FY2024, at 2024-03-31$439.5k. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure390Total liabilities, Q2 FY2024, at 2024-06-30$390.0k. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure176Total liabilities, Q3 FY2024, at 2024-09-30$176.1k. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure1,435Total liabilities, FY2024, at 2024-12-31$1.4m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure1,341Total liabilities, Q1 FY2025, at 2025-03-31$1.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure1,375Total liabilities, Q2 FY2025, at 2025-06-30$1.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure1,270Total liabilities, Q3 FY2025, at 2025-09-30$1.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure1,318Total liabilities, FY2025, at 2025-12-31$1.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,297Total liabilities, Q1 FY2026, at 2026-03-31$1.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure1,352Total liabilities, Q2 FY2026, at 2026-06-30$1.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure
Shareholders' equity$k3,853Shareholders' equity, Q3 FY2023, at 2023-09-30$3.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure3,518Shareholders' equity, FY2023, at 2023-12-31$3.5m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-05, accession 0001493152-26-008988.Report this figure3,084Shareholders' equity, Q1 FY2024, at 2024-03-31$3.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure2,990Shareholders' equity, Q2 FY2024, at 2024-06-30$3.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure2,823Shareholders' equity, Q3 FY2024, at 2024-09-30$2.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure2,604Shareholders' equity, FY2024, at 2024-12-31$2.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure2,427Shareholders' equity, Q1 FY2025, at 2025-03-31$2.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,798Shareholders' equity, Q2 FY2025, at 2025-06-30$1.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,500Shareholders' equity, Q3 FY2025, at 2025-09-30$1.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure934Shareholders' equity, FY2025, at 2025-12-31$933.6k. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,783Shareholders' equity, Q1 FY2026, at 2026-03-31$1.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure1,123Shareholders' equity, Q2 FY2026, at 2026-06-30$1.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure

Cash flow

Operating cash flow−$191.3k, Q2 FY2026
Capital expenditure$38, Q2 FY2026
Research Frontiers Inc, cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$k(523)Operating cash flow, Q3 FY2023, three months to 2023-09-30−$523.4k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-07, accession 0001493152-24-044002. Derived: 9-month figure less the 6-month figure.Report this figure(549)Operating cash flow, Q4 FY2023, three months to 2023-12-31−$548.7k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure(391)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$391.1k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure(187)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$186.9k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-07, accession 0001641172-25-022577. Derived: 6-month figure less the 3-month figure.Report this figure(258)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$257.9k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-06, accession 0001493152-25-021062. Derived: 9-month figure less the 6-month figure.Report this figure47.1Operating cash flow, Q4 FY2024, three months to 2024-12-31$47.1k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(641)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$641.3k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(78.4)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$78.4k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-06, accession 0001493152-26-036332. Derived: 6-month figure less the 3-month figure.Report this figure(144)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$143.5k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-06, accession 0001493152-25-021062. Derived: 9-month figure less the 6-month figure.Report this figure(466)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$465.9k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure(760)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$759.9k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure(191)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$191.3k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-06, accession 0001493152-26-036332. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$k(0.0)Capital expenditure, Q3 FY2023, three months to 2023-09-30−$39. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-07, accession 0001493152-24-044002. Derived: 9-month figure less the 6-month figure.Report this figure0.3Capital expenditure, Q4 FY2023, three months to 2023-12-31$293. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-06, accession 0001493152-25-009377. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2024, three months to 2024-03-31$50. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure0.1Capital expenditure, Q2 FY2024, three months to 2024-06-30$104. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-08-07, accession 0001641172-25-022577. Derived: 6-month figure less the 3-month figure.Report this figure0.6Capital expenditure, Q3 FY2024, three months to 2024-09-30$588. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-06, accession 0001493152-25-021062. Derived: 9-month figure less the 6-month figure.Report this figure0.9Capital expenditure, Q4 FY2024, three months to 2024-12-31$881. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2025, three months to 2025-03-31$110. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure0.1Capital expenditure, Q2 FY2025, three months to 2025-06-30$99. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-06, accession 0001493152-26-036332. Derived: 6-month figure less the 3-month figure.Report this figure0.4Capital expenditure, Q3 FY2025, three months to 2025-09-30$373. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-06, accession 0001493152-25-021062. Derived: 9-month figure less the 6-month figure.Report this figure0.1Capital expenditure, Q4 FY2025, three months to 2025-12-31$144. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-05, accession 0001493152-26-008988. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2026, three months to 2026-03-31$67. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure0.0Capital expenditure, Q2 FY2026, three months to 2026-06-30$38. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-06, accession 0001493152-26-036332. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)34.87m, Q2 FY2026
Research Frontiers Inc, shares, quarterly
Line itemUnitQ3 FY20222022-09-30Q1 FY20232023-03-31Q2 FY20232023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares31.8Diluted shares (weighted), Q3 FY2022, three months to 2022-09-3031,829,744 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-02, accession 0001493152-23-039137.Report this figure33.3Diluted shares (weighted), Q1 FY2023, three months to 2023-03-3133,286,648 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-09, accession 0001493152-24-018416.Report this figure33.5Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3033,509,287 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-01, accession 0001493152-24-029910.Report this figure33.5Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3033,509,287 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-07, accession 0001493152-24-044002.Report this figure33.5Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3133,510,408 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-08, accession 0001641172-25-009244.Report this figure33.5Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3033,517,787 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-07, accession 0001641172-25-022577.Report this figure33.5Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3033,517,787 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure33.6Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3133,648,221 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure33.6Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3033,648,221 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure33.6Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3033,648,221 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-06, accession 0001493152-25-021062.Report this figure34.2Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3134,159,694 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-08, accession 0001493152-26-021790.Report this figure34.9Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3034,867,786 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure

Shares outstanding: 34.87mShares outstanding, period not labelled, at 2026-08-0634,867,786 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-06, accession 0001493152-26-036332.Report this figure at Aug 6, 2026, from the cover of the 10-Q filed Aug 6, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:24 ET. Listed shows no prices and gives no investment advice.