Note 7 - Payroll Liabilities - Schedule of Payroll Liabilities (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Accrued bonuses	$ 646,064	$ 697,995
Accrued vacation	170,820	160,740
Accrued payroll	82,536	76,335
Total payroll liabilities	$ 899,420	$ 935,070