Note 15 - Financial Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

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

	March 31, 2025
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets
Cash Equivalents:
Certificates of deposit (1)	$	—	$	1,575	$	—	$	1,575
Money market funds		—		4,177		—		4,177
U.S. treasury bills		—		183,139		—		183,139
Short-term investments:
Certificates of deposit (1)		—		326		—		326
Other assets:
Certificates of deposit (1)		—		195		—		195
Notes receivables (2)		—		—		4,065		4,065
Total	$	—	$	189,412	$	4,065	$	193,477
Liabilities:
Accrued expenses and other current liabilities:
Mandatorily redeemable noncontrolling interest (3)	$	—	$	—	$	6,306	$	6,306
Other non-current liabilities:
Warrant liabilities (4)		—		1,387		—		1,387
Total	$	—	$	1,387	$	6,306	$	7,693

	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
Short term investments:
Certificates of deposit (1)		—		165		—		165
Other assets:
Certificates of deposit (1)		—		39		—		39
Notes receivables (2)		—		—		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]

	March 31, 2025
	(in thousands)
	Amortized Cost		Fair Value		Gross Unrealized Losses
U.S. treasury bills	$	183,158	$	183,139	$	(19	)
Total	$	183,158	$	183,139	$	(19	)

	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	)