Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Summary of Available-for-Sale Securities Measured at Fair Value

The following is a summary of our available-for-sale securities measured at fair value at June 30, 2014 (in thousands):

	6/30/14		Level 1		Level 2		Level 3
Mutual funds	$	4,146	$	—	$	4,146	$	—
Asset-backed securities and collateralized mortgage obligations		357		—		357		—
Commercial paper		4,249				4,249
Total	$	8,752	$	—	$	8,752	$	—

The following is a summary of our available-for-sale securities measured at fair value at December 31, 2013 (in thousands):

	12/31/13		Level 1		Level 2		Level 3
Mutual funds	$	4,001	$	—	$	4,001	$	—
U.S. Government and agency securities		3,000		3,000		—		—
Asset-backed securities and collateralized mortgage obligations		425		—		425		—
Commercial paper		7,748		—		7,748		—
Total	$	15,174	$	3,000	$	12,174	$	—