Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Summary of Financial Assets Measured at Fair Value on Recurring Basis

The following table summarizes the financial assets measured at fair value on a recurring basis as of June 30, 2014 and December 31, 2013.

	June 30, 2014		December 31, 2013
	Level 1		Level 1
Financial assets
Cash equivalents:
Money market funds	$	62,812	$	12,357
Restricted cash:
Bank certificate of deposit		700		700
Total	$	63,512	$	13,057