Note O - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Years ended December 31,
	2024			2023			2022
Domestic	$	(181,701	)	$	(52,886	)	$	(45,404	)
Foreign		(5,030	)		(3,153	)		(20,992	)
Total loss before income taxes	$	(186,731	)	$	(56,039	)	$	(66,396	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Current:	2024		2023		2022
Federal	$	—	$	—	$	—
State		2		1		1
Foreign		—		8		—
Total	$	2	$	9	$	1
Deferred:
Federal	$	—	$	—	$	—
State		—		—		—
Foreign		—		—		—
Total	$	—	$	—	$	—
Income tax (benefit) expense	$	2	$	9	$	1

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2024			2023
NOL carryforward	$	59,788		$	49,469
Inventory reserves		3,700			3,195
Unrealized gains and losses		221			355
Share-based compensation		1,332			1,013
Foreign tax credit		4,599			4,599
Research and development credits		12,508			10,998
Capitalized research and development		14,449			8,717
Interest		4,465			5,659
ASC 842 Assets		1,515			1,561
Other		995			941
Deferred tax assets		103,572			86,507
Less valuation allowance		(94,996	)		(78,124	)
Deferred tax assets, net		8,576			8,383
Depreciation and amortization		(7,216	)		(6,992	)
ASC 842 Liabilities		(1,360	)		(1,391	)
Deferred tax liabilities		(8,576	)		(8,383	)
Deferred tax assets, net	$	—		$	—

Summary of Valuation Allowance [Table Text Block]

	2024		2023			2022
Beginning Balance, January 1	$	78,124	$	69,680		$	57,721
Change charged to expense/(income)		15,727		8,755			14,196
Change charged to currency translation adjustment		1,145		(311	)		(2,237	)
Ending Balance, December 31	$	94,996	$	78,124		$	69,680

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2024			2023			2022
Expected taxes at statutory rate	$	(39,214	)	$	(11,768	)	$	(13,943	)
Interest Carryforward		1,843			—			—
Non-deductible/non-taxable items		470			57			33
Global intangible low-taxed income		1,809			2,568
Foreign rate differences		(314	)		242			552
Foreign permanent differences		(1,245	)		(1,212	)		(1,407	)
Changes in valuation allowance		15,727			8,755			14,196
Share-based compensation		222			729			879
Research and development credits		(1,510	)		(492	)		(626	)
Extinguishment of debt		22,602			1,580			—
Foreign other		—			—			—
Other, net		(388	)		(450	)		317
Tax (benefit) expense	$	2		$	9		$	1

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	2024		2023		2022
Unrecognized tax benefits — January 1	$	181	$	181	$	181
Gross increases — tax positions in prior period		—		—		—
Gross decreases — tax positions in prior period		—		—		—
Unrecognized tax benefits — December 31	$	181	$	181	$	181