Note 8 - Income Taxes - Schedule of Income Taxes Paid (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Federal
Federal	$ 115	$ 0
State and local
State and local	47	76
Income taxes paid	162	76
Internal Revenue Service (IRS) [Member]
Federal
Federal	115	0
Florida Tax Authority [Member]
State and local
State and local	39	0
Massachusetts Tax Authority [Member]
State and local
State and local	0	70
Other State Tax Authorities [Member]
State and local
State and local	$ 8	$ 6

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.

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

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-Topic 230
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