Note 8 - Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2018		2017
Payroll expenses and tax payable	$	229,000	$	232,000
Commission and bonuses payable and general accrued liabilities		1,505,000		1,333,000
	$	1,734,000	$	1,565,000