Note 10 - Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Cost of products and services	$	69	$	95	$	159	$	195
Selling, general and administrative		62		80		105		156
Total share-based compensation expense	$	131	$	175	$	264	$	351

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 June 30, 2013		70,500		$	14.40		4.5	$	-
Exercisable at December 31, 2012		62,166		$	14.42		4.1	$	-
Exercisable at June 30, 2013		67,166		$	14.44		4.4	$	-

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		(42,795	)	$	11.26
Cancelled		(24,930	)	$	8.49
Nonvested at June 30, 2013		122,888		$	8.40