Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Non-Cash Compensation Expense

Stock-based non-cash compensation expense 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 March 31,
	2014		2013
	(unaudited)
Cost of revenues	$	5	$	5
Selling and marketing		76		226
Research and development		169		209
General and administrative		467		465
Total non-cash stock compensation expense	$	717	$	905