Note 7 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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,
	2014		2013		2014		2013
Cost of revenues	$	2	$	2	$	8	$	5
Selling expense		1		3		5		7
Engineering and product development expense		3		7		14		21
General and administrative expense		24		16		77		53
	$	30	$	28	$	104	$	86

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Non-vested shares outstanding, January 1, 2014		180,000		$	2.69
Granted		10,000			4.14
Vested		(63,125	)		1.78
Forfeited		(5,000	)		3.97
Non-vested shares outstanding, September 30, 2014		121,875			3.01

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2014 (10,000 exercisable)		10,000		$	5.66
Granted		-			-
Exercised		-			-
Forfeited/Expired		(10,000	)		5.66
Options outstanding, September 30, 2014		-			-