Stock-Based Compensation

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Stock-Based Compensation

NOTE 6.STOCK-BASED COMPENSATION

The following table presents stock-based compensation expense recognized for stock options, stock awards, restricted stock units and the Company’s employee stock purchase program (ESPP) in the Company’s statements of operations (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Cost of sales	$	8	$	14	$	22	$	33
Research and development expense		149		156		346		311
Selling, general and administrative expense		1,026		995		2,173		1,523
Total	$	1,183	$	1,165	$	2,541	$	1,867

At June 30, 2012, the Company had $7.6 million of total unrecognized compensation expense, net of estimated forfeitures, related to stock option grants that will be recognized over an average vesting period of 2.5 years.

For the three and six months ended June 30, 2011, the Company recognized approximately $0.4 million in stock-compensation expense associated with the accelerated vesting of stock options in connection with a separation agreement and release with Carl A. Pelzel, the Company’s former President and Chief Executive Officer. See Note 11 for further information with regards to the separation agreement and release.