Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Measurements

Schedule of financial assets and liabilities at fair value on a recurring basis

The following tables set forth the Company’s financial assets and liabilities carried at fair value categorized using the lowest level of input applicable to each financial instrument as of December 31, 2016 and 2015 (in thousands):

			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
	Balance at		Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2016		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash	$	16,887	$	16,887	$	—	$	—
Money market funds		56,601		56,601		—		—
Restricted cash		260		260		—		—
	$	73,748	$	73,748	$	—	$	—

			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
	Balance at		Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2015		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash	$	1,520	$	1,520	$	—	$	—
Money market funds		72,142		72,142		—		—
Restricted cash		260		260		—		—
	$	73,922	$	73,922	$	—	$	—