Note 6 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2015		2014
Accrued compensation	$	1,306	$	1,440
Warranty reserve		82		237
Deferred Rent		561		-
Other		1,450		1,742
	$	3,399	$	3,419

Schedule of Product Warranty Liability [Table Text Block]

	Year ended December 31
	2015			2014			2013
Beginning balance	$	237		$	383		$	770
Additions charged to Cost of sales		111			515			554
Claims processed		(266	)		(661	)		(941	)
Ending balance	$	82		$	237		$	383