Note 6 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

						*Fair Value Measurements Using*
						*Quoted Prices*				*Significant*
						*in Active*				*Other*
		*Balance as of*				*Markets for*				*Observable*
		*June 30,*				*Identical Assets*				*Inputs*
		*2026*				*(Level 1)*				*(Level 2)*
Assets:
Cash equivalents
Money market funds		$	1,318			$	1,318			$	—
Marketable securities
U.S. government			25,030				25,030				—
Corporate bonds			3,290				—				3,290
Certificates of deposit			522				—				522
Total marketable securities			28,842				25,030				3,812
Total assets at fair value		$	30,160			$	26,348			$	3,812

						*Fair Value Measurements Using*
						*Quoted Prices*				*Significant*
						*in Active*				*Other*
		*Balance as of*				*Markets for*				*Observable*
		*December 31,*				*Identical Assets*				*Inputs*
		*2025*				*(Level 1)*				*(Level 2)*
Assets:
Cash equivalents
Money market funds		$	39,618			$	39,618			$	—
Marketable securities
Corporate bonds			6,058				—				6,058
Commercial paper			1,695				—				1,695
Certificates of deposit			1,958				—				1,958
Total marketable securities			9,711				—				9,711
Total assets at fair value		$	49,329			$	39,618			$	9,711