Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2016

Investments Debt And Equity Securities [Abstract]

Schedule of Cash Equivalents and Marketable Securities

Cash equivalents and marketable securities as of September 30, 2016 consisted of the following:

	September 30, 2016
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents:
Money market funds	$	32,288	$	—	$	—		$	32,288
Total cash equivalents	$	32,288	$	—	$	—		$	32,288
Marketable securities:
Commercial paper	$	7,000	$	—	$	-		$	7,000
Corporate debt securities		5,005		—		(2	)		5,003
Total marketable securities	$	12,005	$	—	$	(2	)	$	12,003