Note 10 - Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

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

	Three Months Ended  March 31,
	2013		2012
Cost of products and services	$	90	$	100
Selling, general and administrative		43		76
Total share-based compensation expense	$	133	$	176

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		-	$	-
Outstanding at March 31, 2013		75,500	$	14.23		4.5	$	-
Exercisable at December 31, 2012		62,166	$	14.42		4.1	$	-
Exercisable at March 31, 2013		62,166	$	14.42		3.9	$	-

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		3,000		$	6.55
Vested		(34,595	)	$	11.03
Cancelled		(11,461	)	$	10.62
Nonvested at March 31, 2013		129,557		$	8.85