Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

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 carried at fair value categorized using the lowest level of input applicable to each financial instrument as of March 31, 2015 and December 31, 2014 (in thousands):

	Balance at March 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash	$	2,294	$	2,294	$	—	$	—
Money market funds	63,001		63,001		—		—
Restricted cash	340		340		—		—
	$	65,635	$	65,635	$	—	$	—

	Balance at December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash	$	10,348	$	10,348	$	—	$	—
Money market funds	63,501		63,501		—		—
Restricted cash	340		340		—		—
	$	74,189	$	74,189	$	—	$	—