Note 8 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2019		2018
Payroll expenses and tax payable	$	299,000	$	269,000
Commission and bonuses payable and general accrued liabilities		621,000		1,073,000
Total accrued liabilities	$	920,000	$	1,342,000