RESEARCH FRONTIERS INC (REFR) › Operating IncomeRESEARCH FRONTIERS INC (REFR) — Operating IncomeAnnual figures by fiscal year, from SEC filings.2009: -$4.02M2010: -$3.89M2011: -$4.16M2012: -$3.82M2013: -$6.08M2014: -$4.45M2015: -$4.32M2016: -$4.27M2017: -$2.42M2018: -$2.42M2019: -$3.15M2020: -$2.58M2021: -$1.84M2022: -$2.63M2023: -$2.03M2024: -$1.44M2025: -$2.13M-$2.13M2009Operating Income (USD)2025Fiscal YearOperating IncomeChange YoY2025-$2.13M-47.9%2024-$1.44M+29.1%2023-$2.03M+22.5%2022-$2.63M-42.8%2021-$1.84M+28.7%2020-$2.58M+18.2%2019-$3.15M-30.2%2018-$2.42M+0.0%2017-$2.42M+43.3%2016-$4.27M+1.3%2015-$4.32M+2.8%2014-$4.45M+26.8%2013-$6.08M-59.3%2012-$3.82M+8.3%2011-$4.16M-7.0%2010-$3.89M+3.3%2009-$4.02M—Other metrics: RevenueCost of RevenueGross ProfitNet IncomeEPS (Diluted)Total AssetsTotal LiabilitiesShareholders' EquityCash & EquivalentsOperating Cash FlowCapital ExpendituresShares OutstandingDividends Per Share