Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Assets measured at fair value on a recurring basis

Assets measured at fair value on a recurring basis were as follows (in thousands):

	March 31, 2014
	Level 1		Level 2		Level 3		Total
Cash Equivalents
Money market funds	$	27,975	$	—	$	—	$	27,975
Available for Sale Securities
Corporate bonds	—		5,352		—		5,352
Commercial paper	—		4,495		—		4,495
Certificates of deposit	—		3,671		—		3,671
	—		13,518		—		13,518
	$	27,975	$	13,518	$	—	$	41,493