Note 6 - Payroll Liabilities - Schedule of Payroll Liabilities (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Accrued bonuses	$ 526,890	$ 697,995
Accrued vacation	170,105	160,740
Accrued payroll	72,732	76,335
Total payroll liabilities	$ 769,727	$ 935,070