Investments

3 Months Ended

Mar. 31, 2023

Investments

Investments

4. INVESTMENTS

The carrying value and amortized cost of the Company’s available-for-sale debt securities, summarized by type of security, consisted of the following:

	March 31, 2023
		Amortized	Unrealized	Unrealized		Fair
		Cost	Gains	Losses		Value
Short-term:
Commercial paper	$	24,106	8	(22)	$	24,092
Corporate debt securities		29,117	1	(49)		29,069
U.S. government securities		2,751	7	(3)		2,755
Total short-term investments	$	55,974	16	(74)	$	55,916
Long-term:
Commercial paper	$	1,580	—	—	$	1,580
Corporate debt securities		25,855	36	(66)		25,825
U.S. government securities		21,076	61	(4)		21,133
Total long-term investments	$	48,511	97	(70)	$	48,538
	December 31, 2022
		Amortized	Unrealized	Unrealized		Fair
		Cost	Gains	Losses		Value
Short-term:
Commercial paper	$	26,553	15	(34)	$	26,534
Corporate debt securities		49,213	9	(73)		49,149
U.S. government securities		3,658	—	(10)		3,648
Total short-term investments	$	79,424	24	(117)	$	79,331
Long-term:
Commercial paper	$	853	1	—	$	854
Corporate debt securities		21,516	11	(68)		21,459
U.S. government securities		257	—	(2)		255
Total long-term investments	$	22,626	12	(70)	$	22,568

The Company classifies investments with an original maturity of less than one year as current and investments with an original maturity date of greater than one year as noncurrent on its unaudited condensed consolidated balance sheet. The investments classified as noncurrent have original maturity dates ranging from 1-2 years.