Note 8 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2019		2018
Payroll expenses and taxes payable	$	127,000	$	269,000
Commissions and bonuses payable and general accrued liabilities		505,000		1,073,000
	$	632,000	$	1,342,000