Note 16 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	For the Year Ended December 31,
	2024			2023
U.S. federal statutory rate		(21.0	)%		(21.0	)%
Section 382 NOL limitation		75.7	%		—
Nondeductible expenses		0.1	%		0.2	%
State income taxes, net of federal benefits		33.8	%		2.2	%
Stock-based compensation		0.3	%		6.4	%
Royalty mark to market		3.5	%		(2.1	)%
Change in valuation allowance		(70.7	)%		16.7	%
Purchase accounting		—			(20.5	)%
Goodwill impairment		—			18.1	%
Other		1.6	%		—
Effective tax rate		23.3	%		0.0	%

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

	For the Year Ended December 31,
	2024		2023
Current
Federal	$	—	$	—
State		—		—
		—		—
Deferred
Federal		3,049		—
State		91		—
		3,141		—
Income tax expense	$	3,141	$	—

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

	December 31,
	2024			2023
Deferred tax assets:
Net operating loss carryforwards	$	12,358		$	24,829
Stock-based compensation		15			49
Capitalized research and development		896			1,201
Intangible assets		41			53
Operating lease liabilities		25			44
Accrued compensation		5			2
Other accruals		3			—
Fixed asset basis		3			—
R&D credits		—			589
Total gross deferred tax assets		13,346			26,767
Deferred tax liabilities:
Fixed asset basis		—			(1	)
Operating lease right-of-use assets		(24	)		(42	)
Intangible assets		(5,506	)		(6,216	)
Total gross deferred tax liabilities		(5,530	)		(6,259	)
Valuation allowance		(10,957	)		(20,508	)
Net deferred tax liabilities	$	(3,141	)	$	—