Aptorum Group Ltd (APM) › Cost of RevenueAptorum Group Ltd (APM) — Cost of RevenueAnnual figures by fiscal year, from SEC filings.2021: $1.46M2022: $1.22M2023: $420.8K$420.8K2021Cost of Revenue (USD)2023Fiscal YearCost of RevenueChange YoY2023$420.8K-65.4%2022$1.22M-16.7%2021$1.46M—Other metrics: RevenueGross ProfitOperating IncomeNet IncomeEPS (Diluted)Total AssetsTotal LiabilitiesShareholders' EquityCash & EquivalentsOperating Cash FlowCapital ExpendituresShares OutstandingDividends Per Share