Note 14 - Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

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

	June 30, 2024
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets
Cash Equivalents:
Certificates of deposit (1)	$	—	$	1,504	$	—	$	1,504
Money market funds		—		4,136		—		4,136
U.S. treasury bills		—		176,739		—		176,739
Short term investments:
Certificates of deposit (1)		—		3,791		—		3,791
Other assets:
Notes receivables (3)		—		—		2,690		2,690
Total	$	—	$	186,170	$	2,690	$	188,860
Liabilities:
Earn-out shares liabilities:
Earn-out shares (2)	$	—	$	—	$	25,613	$	25,613
Other non-current liabilities:
Warrant liabilities (2)		—		705		—		705
Total	$	—	$	705	$	25,613	$	26,318

	December 31, 2023
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets
Cash Equivalents:
Certificates of deposit (1)	$	—	$	1,533	$	—	$	1,533
Money market funds		—		4,423		—		4,423
U.S. treasury bills		—		171,841		—		171,841
Short term investments:
Certificates of deposit (1)		—		3,721		—		3,721
Other assets:
Notes receivables (3)		—		—		1,840		1,840
Total	$	—	$	181,518	$	1,840	$	183,358
Liabilities:
Earn-out shares liabilities:
Earn-out shares (2)	$	—	$	—	$	18,346	$	18,346
Other non-current liabilities:
Warrant liabilities (2)		—		533		—		533
Total	$	—	$	533	$	18,346	$	18,879

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

	June 30, 2024
	(in thousands)
	Amortized Cost		Fair Value		Gross unrealized losses
U.S. treasury bills	$	176,780	$	176,739	$	(41	)
Total	$	176,780	$	176,739	$	(41	)

	December 31, 2023
	(in thousands)
	Amortized Cost		Fair Value		Gross unrealized gains
U.S. treasury bills	$	171,815	$	171,841	$	26
Total	$	171,815	$	171,841	$	26

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	Six Months Ended June 30,
	2024
	(in thousands)
Opening balance	$	18,346
Total gains or losses from the period
Included in other expense, net		7,009
Reclass from Earnout-RSU		258
Closing balance	$	25,613