Note 7 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2022		2021
Payroll expenses and taxes payable	$	276,000	$	187,000
Commissions and bonuses payable and general accrued liabilities		266,000		1,063,000
Total accrued liabilities	$	542,000	$	1,250,000