Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value on Recurring Basis

The following tables set forth the Company’s financial instruments that were measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

	March 31, 2020
	Total		Level 1		Level 2		Level 3
Money market funds	$	67,326	$	67,326	$	-	$	-
U.S. government treasury and agency securities		55,969		-		55,969		-
Corporate securities and commercial paper		34,571		-		34,571		-
Total assets measured at fair value	$	157,866	$	67,326	$	90,540	$	-

	December 31, 2019
	Total		Level 1		Level 2		Level 3
Money market funds	$	45,498	$	45,498	$	-	$	-
U.S. government treasury and agency securities		74,854		-		74,854		-
Corporate securities and commercial paper		67,918		-		67,918		-
Total assets measured at fair value	$	188,270	$	45,498	$	142,772	$	-

Schedule of Investments Classified as Available for Sale Securities with Contractual Maturities

Classified as (with contractual maturities):

	March 31, 2020		December 31, 2019
Cash and cash equivalents	$	67,326	$	57,937
Short-term investments (due within one year)		90,540		130,333
Total cash, cash equivalents and investments in marketable securities	$	157,866	$	188,270

Schedule of Fair Value and Amortized Cost of Investments in Marketable Securities by Major Security Type

. The fair value and amortized cost of investments in marketable securities by major security type as of March 31, 2020 and December 31, 2019 are presented in the tables that follow (in thousands):

	Amortized Cost		Unrealized Gain		Unrealized Loss			Fair Value
As of March 31, 2020:
Money market funds	$	67,326	$	-	$	-		$	67,326
U.S. government treasury and agency securities		55,663		306		-			55,969
Corporate securities and commercial paper		34,589		9		(27	)		34,571
Total	$	157,578	$	315	$	(27	)	$	157,866

	Amortized Cost		Unrealized Gain		Unrealized Loss			Fair Value
As of December 31, 2019:
Money market funds	$	45,498	$	-	$	-		$	45,498
U.S. government treasury and agency securities		74,854		12		(1	)		74,865
Corporate securities and commercial paper		67,918		55		(2	)		67,971
Total	$	188,270	$	67	$	(3	)	$	188,334