Note 10 - Share-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 September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Cost of products and services	$	74	$	90	$	233	$	285
Selling, general and administrative		59		81		164		237
Total share-based compensation expense	$	133	$	171	$	397	$	522

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

	Number of  Shares			Weighted Average  Exercise  Price		Weighted Average Remaining Contractual Term (in years)		Aggregate  Intrinsic  Value
Outstanding at December 31, 2012		75,500		$	14.23		4.7	$	-
Granted		-		$	-
Exercised		-		$	-
Cancelled		(5,000	)	$	11.89
Outstanding at September 30, 2013		70,500		$	14.40		4.3	$	-
Exercisable at December 31, 2012		62,166		$	14.42		4.1	$	-
Exercisable at September 30, 2013		67,166		$	14.44		4.1	$	-

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Number of  Shares			Weighted Average Grant-Date  Fair Value
Nonvested at December 31, 2012		172,613		$	9.44
Granted		18,000		$	5.36
Vested		(53,795	)	$	10.24
Cancelled		(25,930	)	$	8.57
Nonvested at September 30, 2013		110,888		$	8.60