Stock-Based Compensation

6 Months Ended

Jun. 30, 2011

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

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

Note 7.  Stock-Based Compensation

The amount of the stock-based compensation expense is based on the estimated fair value of the awards on their grant dates and is recognized over the required service periods.  The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model.

Stock-based compensation expense follows:

(in thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Cost of Sales	$	16	$	26	$	37	$	38
Research and Development		218		221		429		412
Marketing and Sales		122		100		250		136
General and Administration		295		254		617		427
Total Stock-Based Compensation	$	651	$	601	$	1,333	$	1,013

During the six months ended June 30, 2011, 840,463 restricted stock units ("RSU”) were granted, 570,484 RSU were released, and 67,625 RSU were canceled, forfeited, or expired.  During the same six months there were 10,000 stock options granted, 72,863 stock options were exercised, and 99,926 stock options were canceled, forfeited or expired.