Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Stock-based compensation expense

Stock-based compensation expense for the three and six months ended June 30 was as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Cost of revenues	$	13	$	18	$	26	$	35
Selling, general and administrative		247		295		474		525
Research and development		92		142		170		279
Total stock-based compensation	$	352	$	455	$	670	$	839