Note 5 - Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Marketable Securities [Table Text Block]

	Fair Value Measurements as of December 31, 2025 Using:
	Amortized Cost		Unrealized gains		Unrealized Losses			Fair Value
Assets
Corporate bonds	$	86,417	$	223	$	(4	)	$	86,636
Certificates of deposit		14,950		10		—			14,960
Commercial paper		68,943		34		—			68,977
Asset-backed securities		6,010		16		—			6,026
U.S. government treasuries		1,663		1		—			1,664
Total assets	$	177,983	$	284	$	(4	)	$	178,263

	Fair Value Measurements as of December 31, 2024 Using:
	Amortized Cost		Unrealized gains		Unrealized Losses			Fair Value
Assets
Corporate bonds	$	44,794	$	175	$	(6	)	$	44,963
Certificates of deposit		15,262		8		(1	)		15,269
Commercial paper		12,081		5		(2	)		12,084
Asset-backed securities		6,484		40		—			6,524
U.S. government treasuries		4,408		2		(11	)		4,399
Total assets	$	83,029	$	230	$	(20	)	$	83,239

Investments Classified by Contractual Maturity Date [Table Text Block]

	As of December 31,
	2025		2024
Maturing in one year or less		126,119		56,386
Maturing after one year through two years		52,144		26,853
Total	$	178,263	$	83,239