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Note 7 - Payroll Liabilities - Schedule of Payroll Liabilities (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Accrued bonuses $ 631,394 $ 689,635
Accrued vacation 173,430 171,112
Accrued payroll 107,846 102,918
Total payroll liabilities $ 912,670 $ 963,665