Note 14 - Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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

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

	Number of Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2012 (249,000 exercisable)		249,000		$	3.28
Granted		-			-
Exercised		-			-
Canceled		(30,000	)		4.11
Options outstanding, December 31, 2012 (219,000 exercisable)		219,000			3.17
Granted		-			-
Exercised		(10,000	)		3.04
Canceled		(199,000	)		3.05
Options outstanding, December 31, 2013 (10,000 exercisable)		10,000			5.66

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Range of Exercise Prices		Number Outstanding and Exercisable at		Weighted Average Remaining Life (years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$	5.66		10,000		.47	$	5.66		-

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

	Years Ended December 31,
	2013		2012
Cost of revenues	$	8	$	5
Selling expense		10		9
Engineering and product development expense		28		24
General and administrative expense		82		75
	$	128	$	113

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares outstanding, January 1, 2012		195,000		$	1.62
Granted		-			-
Vested		(76,250	)		1.62
Forfeited		(10,000	)		1.42
Nonvested shares outstanding, December 31, 2012		108,750			1.63
Granted		127,500			3.62
Vested		(56,250	)		1.70
Forfeited		-			-
Nonvested shares outstanding, December 31, 2013		180,000			2.69