Note 7 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Cost of revenues	$	3	$	2	$	8	$	8
Selling expense		1		1		4		5
Engineering and product development expense		2		3		7		14
General and administrative expense		24		24		72		77
	$	30	$	30	$	91	$	104

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Unvested shares outstanding, January 1, 2015		101,875		$	2.82
Granted		-			-
Vested		(13,125	)		3.15
Forfeited		-			-
Unvested shares outstanding, September 30, 2015		88,750			3.05