Note 8 - Income Taxes - Schedule of Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Net operating loss carry forwards	$ 52,759	$ 46,827
Intangibles	11,101	10,356
Research and development expenses	6,438	8,057
Credit carry forwards	2,478	2,478
Nondeductible accruals	235	294
163j limitation	105	89
Fixed assets	368	392
Equity-based compensation	91	111
Other	1,515	1,525
Valuation Allowance	(75,024)	(70,154)
Total deferred income tax assets - net	66	(23)
Foreign intangibles	0	0
Unrealized gain/loss	(27)	(9)
ASC 842 Lease Accounting	37	(11)
Prepaid expenses	(77)	(85)
Total deferred income liabilities	(66)	(105)
Net deferred income tax assets/(liabilities)	$ 0	$ (128)

Amount, before allocation of valuation allowance, of deferred tax asset attributable to 163j limitation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to intangibles.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to nondeductible accruals.

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Amount before allocation of valuation allowances of deferred tax asset attributable to research and development expense.

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No definition available.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on foreign currency transactions.

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