Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [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				Six Months Ended
	June 30,				June 30,
	2014		2013		2014		2013
Cost of revenues	$	64	$	40	$	100	$	44
Selling, general and administrative		373		998		564		1,181
Research and development		100		101		107		177
Total stock-based compensation	$	537	$	1,139	$	771	$	1,402