Note 7 - Payroll Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31, 2019		December 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