Note 9 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

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 Sept. 30,				Nine Months Ended Sept. 30,
	2013		2012		2013		2012
Cost of revenues	$	2	$	1	$	5	$	5
Selling expense		3		3		7		7
Engineering and product development expense		7		7		21		19
General and administrative expense		16		21		53		62
	$	28	$	32	$	86	$	93

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares outstanding, January 1, 2013		108,750		$	1.63
Granted		42,500			2.92
Vested		(56,250	)		1.70
Forfeited		-			-
Nonvested shares outstanding, September 30, 2013		95,000			1.54

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

	Number of Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2013 (219,000 exercisable)		219,000		$	3.17
Granted		-			-
Exercised		(10,000	)		3.04
Forfeited/Expired		(199,000	)		3.05
Options outstanding, September 30, 2013 (10,000 exercisable)		10,000			5.66