Note 14 - Fair Value Measurements

3 Months Ended

Mar. 31, 2026

Notes to Financial Statements

Financial Instruments Disclosure [Text Block]

14. Fair Value Measurements

Financial assets and liabilities measured at fair value on a recurring basis are classified in the categories described in the tables below:

		*March 31, 2026*
		(in thousands)
		Level 1				Level 2				Level 3				Total
Assets
Cash Equivalents:
Certificates of deposit ⁽¹⁾		$	—			$	8,997			$	—			$	8,997
Money market funds			—				7,039				—				7,039
U.S. treasury bills			—				290,322				—				290,322
Prepaid expenses and other current assets:
Certificates of deposit ⁽¹⁾			—				72				—				72
Other assets:
Certificates of deposit ⁽¹⁾			—				253				—				253
Total		$	—			$	306,683			$	—			$	306,683
Liabilities:
Accrued expenses and other current liabilities:
Mandatorily redeemable noncontrolling interest ⁽²⁾		$	—			$	—			$	6,106			$	6,106
Total		$	—			$	—			$	6,106			$	6,106

		*December 31, 2025*
		(in thousands)
		Level 1				Level 2				Level 3				Total
Assets
Cash Equivalents:
Certificates of deposit ⁽¹⁾		$	—			$	1,734			$	—			$	1,734
Money market funds			—				4,215				—				4,215
U.S. treasury bills			—				189,012				—				189,012
Prepaid expenses and other current assets:
Certificates of deposit ⁽¹⁾			—				213				—				213
Other assets:
Certificates of deposit ⁽¹⁾			—				206				—				206
Total		$	—			$	195,380			$	—			$	195,380
Liabilities:
Accrued expenses and other current liabilities:
Mandatorily redeemable noncontrolling interest ⁽²⁾		$	—			$	—			$	1,839			$	1,839
Other liabilities:
Mandatorily redeemable noncontrolling interest ⁽²⁾			—				—				3,704				3,704
Total		$	—			$	—			$	5,543			$	5,543

⁽¹⁾The majority of certificates of deposit are foreign deposits.

⁽²⁾The fair value of mandatorily redeemable noncontrolling interest is based on discounted redemption value using risk-free rates offered for similar financing with the same remaining maturities.

The following tables summarize the Company’s available-for-sale securities measured at fair value as of March 31, 2026 and December 31, 2025.

		*March 31, 2026*
		(in thousands)
		Amortized Cost				Fair Value				Gross Unrealized Losses
U.S. treasury bills		$	290,324			$	290,322			$	(2	)
Total		$	290,324			$	290,322			$	(2	)

		*December 31, 2025*
		(in thousands)
		Amortized Cost				Fair Value				Gross Unrealized Gains
U.S. treasury bills		$	189,007			$	189,012			$	5
Total		$	189,007			$	189,012			$	5

The contractual maturity of the available-for-sale securities held as of March 31, 2026 and December 31, 2025 was within one year.