Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Stock-based compensation expense before income tax expense for the three and six-month periods ended June 30, 2012 and 2011, consisted of the following (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2012		2011		2012		2011
Cost of goods sold	$	59	$	38	$	141	$	89
Research and development	35		16		67		29
Selling, general, and administrative	376		257		817		528
Stock-based compensation expense before taxes	$	470	$	311	$	1,025	$	646

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

During the three and six-month periods ended June 30, 2012, we granted 120,000 stock awards. During the three and six-month periods ended June 30, 2011, there were no stock awards. We use the Black-Scholes methodology to value the stock-based compensation expense for options. In applying the Black-Scholes methodology to our outstanding option grants, we used the following assumptions:

	Six Months Ended
	June 30,
	2012	2011
Risk-free interest rate	0.95%	—
Expected option life	6 years	—
Expected dividend yield	—	—
Expected price volatility	42.01%	—