Note 11 - Income Taxes - Schedule of Income Taxes Paid (Details) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($)
Total cash paid for income taxes, net of refunds	$ 7
Internal Revenue Service (IRS) [Member]
Income Tax Paid, Federal	0
California Franchise Tax Board [Member]
Income Tax Paid, State	2
New Jersey Division of Taxation [Member]
Income Tax Paid, State	4
All Other States' Departments of Taxation [Member]
Income Tax Paid, State	$ 1

Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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Amount, after income tax refund received, of cash paid to state and local tax jurisdictions for tax on income.

+ References

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A

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-Topic 740
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-Topic 740
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-Publisher FASB
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