Note 17 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

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

	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

	December 31,
	2024
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets
Cash Equivalents:
Certificates of deposit (1)	$	—	$	1,504	$	—	$	1,504
Money market funds		—		4,188		—		4,188
U.S. treasury bills		—		181,210		—		181,210
Prepaid expenses and other current assets
Certificates of deposit (1)		—		165		—		165
Other assets:
Certificates of deposit (1)		—		39		—		39
Notes receivables (3)		—		—		3,938		3,938
Total	$	—	$	187,106	$	3,938	$	191,044
Liabilities:
Other liabilities:
Warrant liabilities (4)	$	—	$	1,861	$	—	$	1,861
Total	$	—	$	1,861	$	—	$	1,861

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

	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

	December 31,
	2024
	(in thousands)
	Amortized Cost		Fair Value		Gross Unrealized Losses
U.S. treasury bills	$	181,217	$	181,210	$	(7	)
Total	$	181,217	$	181,210	$	(7	)