Note 4 - Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Marketable Securities [Table Text Block]

		Fair Value Measurements as of June 30, 2026 Using:
		Amortized Cost				Unrealized gains				Unrealized Losses				Fair Value
Assets
Corporate bonds		$	111,868			$	35			$	(259	)		$	111,644
Commercial paper			16,843				—				(19	)			16,824
Certificates of deposit			10,172				—				(8	)			10,164
U.S. government treasuries			1,704				—				(6	)			1,698
Asset-backed securities			4,090				6				—				4,096
Total assets		$	144,677			$	41			$	(292	)		$	144,426

		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
Commercial paper			68,943				34				—				68,977
Certificates of deposit			14,950				10				—				14,960
U.S. government treasuries			1,663				1				—				1,664
Asset-backed securities			6,010				16				—				6,026
Total assets		$	177,983			$	284			$	(4	)		$	178,263

Investments Classified by Contractual Maturity Date [Table Text Block]

		As of
		June 30, 2026				December 31, 2025
Maturing in one year or less		$	74,918			$	126,119
Maturing after one year through two years			69,508				52,144
Total		$	144,426			$	178,263