Note 6 - Payroll Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31, 2019		December 31, 2018
Accrued bonuses	$	646,433	$	697,995
Accrued vacation		162,619		160,740
Accrued payroll		82,706		76,335
Total payroll liabilities	$	891,758	$	935,070