Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 30, 2022

Cash, Cash Equivalents and Investments

Summary of fair value and the amortized cost of cash, cash equivalents and available-for-sale investments by major security type

The fair value and the amortized cost of cash, cash equivalents and available-for-sale investments by major security type consist of the following (in thousands):

			Gross		Gross		Estimated		Cash and
	Amortized		Unrealized		Unrealized		Fair		Cash		Short-term		Long-term
June 30, 2022	Cost		Gains		Losses		Value		Equivalents		Investment		Investment
Cash, cash equivalents and money market funds	$	26,446	$	—	$	—	$	26,446	$	26,446	$	—	$	—
Available-for-sale:
U.S. Treasury securities		74,523		—		(651)		73,872		—		73,872		—
Certificates of deposit		1,424		—		(10)		1,414		—		1,414		—
Total	$	102,393	$	—	$	(661)	$	101,732	$	26,446	$	75,286	$	—

			Gross		Gross		Estimated		Cash and
	Amortized		Unrealized		Unrealized		Fair		Cash		Short-term		Long-term
December 31, 2021	Cost		Gains		Losses		Value		Equivalents		Investment		Investment
Cash, cash equivalents and money market funds	$	94,746	$	—	$	—	$	94,746	$	94,746	$	—	$	—
Available-for-sale:
U.S. Treasury securities		45,665		—		(97)		45,568		—		15,015		30,554
Corporate debt securities		6,093		—		(4)		6,089		—		6,089		—
Certificates of deposit		1,673		—		(1)		1,672		—		1,184		488
Total	$	148,177	$	—	$	(102)	$	148,075	$	94,746	$	22,287	$	31,042