The Company's investments are classified as available-for-sale. The following table summarizes the amortized cost, gross unrealized gains and losses, and fair value of available-for-sale investments as of June 30, 2026:


	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Aggregate Fair Value
U.S. government debt securities	$	18,908	$	2	$	(17)	$	18,893

Certificates of deposit	3,490		—		(14)		3,476

Total	$	22,398	$	2	$	(31)	$	22,369

The estimated fair value of available-for-sale investments classified by their contractual maturities as of June 30, 2026 was:


Due within one year	$	21,879
After one year through two years	490
Total	$	22,369

The following table summarizes the amortized cost, gross unrealized gains and losses, and fair value of available-for-sale investments as of December 31, 2025:


	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Aggregate Fair Value
U.S. government debt securities	$	66,670	$	36	$	(30)	$	66,676
Certificates of deposit	3,397		1		—		3,398
Corporate bonds	61		—		—		61
Total	$	70,128	$	37	$	(30)	$	70,135

The estimated fair value of available-for-sale investments classified by their contractual maturities as of December 31, 2025 was:


Due within one year	$	67,624
After one year through two years	2,511
Total	$	70,135

In addition, as of June 30, 2026 and December 31, 2025, the Company held U.S. government debt securities valued at $11,084 and $19,083, respectively, which were included in cash and cash equivalents in the condensed consolidated balance sheet as these investments had an original maturity of less than three months when purchased.