Note 8 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2018		2017
Payroll expenses and tax payable	$	120,000	$	232,000
Commission and bonuses payable and general accrued liabilities		1,644,000		1,333,000
	$	1,764,000	$	1,565,000