Investments (Tables)

9 Months Ended

Sep. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-Sale Investments

The following tables summarize the Company’s debt securities available-for-sale investments at September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Certificates of deposit	$	6,838	$	19	$	—	$	6,857
U.S. Treasury securities	13,435		49		—		13,484
U.S. Agency securities	—		—		—		—
Commercial paper	9,345		1		(1)		9,345
Corporate notes and bonds	20,513		19		(3)		20,529
Total	$	50,131	$	88	$	(4)	$	50,215

	December 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Certificates of deposit	$	5,646	$	17	$	—	$	5,663
U.S. Treasury securities	12,564		16		(1)		12,579
U.S. Agency securities	4,002		—		(4)		3,998
Commercial paper	2,492		—		(1)		2,491
Corporate notes and bonds	22,711		6		(11)		22,706
Total	$	47,415	$	39	$	(17)	$	47,437

Schedule of Available-For-Sale Investment Maturities

The following table summarizes the maturities of the Company’s debt securities available-for-sale investments at September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in less than 1 year	$	49,874	$	49,958	$	43,627	$	43,650
Due in 1-3 years	257		257		3,788		3,787
	$	50,131	$	50,215	$	47,415	$	47,437