Note 7 - Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2014		2013
Cost of revenues	$	3	$	1
Selling expense		3		2
Engineering and product development expense		6		6
General and administrative expense		29		18
	$	41	$	27

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares outstanding, January 1, 2014		180,000		$	2.69
Granted		-			-
Vested		(55,000	)		1.56
Forfeited		(5,000	)		3.97
Nonvested shares outstanding, March 31, 2014		120,000			3.28

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		-		-
Options outstanding, March 31, 2014 (10,000 exercisable)		10,000		5.66