NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) › Cost of RevenueNORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) — Cost of RevenueAnnual figures by fiscal year, from SEC filings.2017: $26.32M2018: $34.17M2019: $37.97M2020: $31.61M2021: $36.92M2022: $51.09M2023: $52.10M2024: $51.27M2025: $52.56M$52.56M2017Cost of Revenue (USD)2025Fiscal YearCost of RevenueChange YoY2025$52.56M+2.5%2024$51.27M-1.6%2023$52.10M+2.0%2022$51.09M+38.4%2021$36.92M+16.8%2020$31.61M-16.8%2019$37.97M+11.1%2018$34.17M+29.8%2017$26.32M—Other metrics: RevenueGross ProfitOperating IncomeNet IncomeEPS (Diluted)Total AssetsTotal LiabilitiesShareholders' EquityCash & EquivalentsOperating Cash FlowCapital ExpendituresShares OutstandingDividends Per Share