Marketable Securities and Cash Equivalents

9 Months Ended

Sep. 30, 2019

Investments Debt And Equity Securities [Abstract]

Marketable Securities and Cash Equivalents

5. Marketable Securities and Cash Equivalents

The following table summarizes the Company’s marketable securities and cash equivalents as of September 30, 2019 and December 31, 2018:

	September 30, 2019
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Cash equivalents:
Money market funds	$	16,705	$	—	$	—	$	16,705
Total cash equivalents	$	16,705	$	—	$	—	$	16,705

	December 31, 2018
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Cash equivalents:
Money market funds	$	16,292	$	—	$	—		$	16,292
Commercial paper		1,998		—		—			1,998
Total cash equivalents	$	18,290	$	—	$	—		$	18,290
Marketable securities:
Commercial paper	$	31,766	$	—	$	—		$	31,766
Corporate debt securities		7,487		—		(8	)		7,479
Government securities		11,955		—		(1	)		11,954
Total marketable securities	$	51,208	$	—	$	(9	)	$	51,199