Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015 and December 31, 2014.

	June 30, 2015		December 31, 2014
	Level 1		Level 1
Financial assets
Cash equivalents:
Money market savings account	$	42,415	$	52,663
Restricted cash:
Bank certificate of deposit		700		700
Total	$	43,115	$	53,363