Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Non-Cash Compensation Expenses

Stock-based non-cash compensation expenses related to stock options, restricted stock grants and the employee stock purchase plan were recorded in the financial statements as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
	(unaudited)				(unaudited)
Cost of revenues	$	3	$	6	$	8	$	11
Selling and marketing		62		334		138		560
Research and development		162		208		331		417
General and administrative		346		473		813		938
Restructuring expense		1,273		—		1,273		—
Total non-cash stock compensation expense	$	1,846	$	1,021	$	2,563	$	1,926