Cash and Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2023

Cash and Cash Equivalents and Investments [Abstract]

Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block]

	As of March 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(in thousands)
Cash and cash equivalents	$	26,000	$	1	$	—	$	26,001
Securities maturing within one year:
U.S. treasury securities	70,894		9		(142)		70,761
Corporate debt securities	9,206		—		(31)		9,175
Total short-term investments	$	80,100	$	9	$	(173)	$	79,936
Total cash and cash equivalents and investments	$	106,100	$	10	$	(173)	$	105,937
	As of December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
			(in thousands)
Cash and cash equivalents	$	46,345	$	—	$	—	$	46,345
Securities maturing within one year:
U.S. treasury securities	74,022		—		(342)		73,680
Corporate debt securities	18,418		—		(86)		18,332
Total short-term investments	$	92,440	$	—	$	(428)	$	92,012
Total cash and cash equivalents and investments	$	138,785	$	—	$	(428)	$	138,357