Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

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

		December 31, 2024				December 31, 2023
Current:
State		$	(43	)		$	(43	)
Total current expense			(43	)			(43	)

Deferred:
Federal			(3,825	)			(1,177	)
State			(2,710	)			(1,036	)
Change in valuation allowance			6,535				2,213
Total deferred expense			-				-

Total income tax provision		$	(43	)		$	(43	)

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

		December 31, 2024				December 31, 2023
Effective rate reconciliation
Computed Federal income tax benefit at the statutory rate		$	1,994			$	2,873

State income taxes, net of federal benefit			(736	)			(843	)
Federal NOL Expirations			(7,832	)			(4,280	)
Change in valuation allowance			6,535				2,213
Other			(4	)			(6	)

Income tax provision		$	(43	)		$	(43	)

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

		December 31, 2024				December 31, 2023
Deferred tax assets/(liabilities)
Deferred tax assets:
Net operating loss carryforwards		$	52,250			$	58,820
Accruals and reserves			11,235				10,546
Depreciation and amortization			4,581				4,860
Indefinite-lived intangibles			1,615				2,191
Other			3,503				3,302
Total deferred tax assets			73,184				79,719

Less valuation allowance			(73,184	)			(79,719	)

Net deferred tax assets		$	-			$	-