Note 14 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

	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

Debt Securities, Available-for-Sale [Table Text Block]

	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