Note 8 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2020		2019
Payroll expenses and taxes payable	$	148,000	$	299,000
Commissions and bonuses payable and general accrued liabilities		616,000		621,000
Total accrued liabilities	$	764,000	$	920,000