Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value of Financial Instruments

Schedule of financial assets measured stated at fair value on a recurring basis

	March 31, 2015						December 31, 2014
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
	(in thousands)
Money market funds	$	94,037	$	—	$	—	$	104,021	$	—	$	—
Certificates of deposit	—		25		—		—		25		—
Total	$	94,037	$	25	$	—	$	104,021	$	25	$	—