Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets Measured At Fair Value

The following tables present the Company’s assets that are measured at fair value on a recurring basis:

	December 31, 2014
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
Mutual funds	$	2,492	$	—	$	—	$	2,492
U.S. government and agency securities	—		951		—		951
Corporate obligations	—		22,145		—		22,145
Other fixed income securities	—		491		—		491
International securities	—		10,311		—		10,311
Municipal obligations	—		426		—		426
Total	$	2,492	$	34,324	$	—	$	36,816

	December 31, 2013
(in thousands)	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
Short-term investments:
Mutual funds	$	2,485	$	—		$	—	$	2,485
U.S. government and agency securities	—		2,233			—		2,233
Corporate obligations	—		14,159		*	—		14,159
Other fixed income securities	—		361			—		361
International securities	—		3,048			—		3,048
Municipal obligations	—		1,477			—		1,477
Total	$	2,485	$	21,278		$	—	$	23,763