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Note 9 - Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Interest from leases | $ 9 | $ 5
Total interest expense | 300 | 509
Secured Term Note [Member] |  |
Interest expense | 166 | 345
Secured term note payable, related party [Member] |  |
Interest expense | 87 | 49
Secured Promissory Note, Related Party [Member] | Related Party [Member] |  |
Interest expense | 0 | 78
Insurance and Other Note Payable [Member] |  |
Interest expense | $ 38 | $ 32

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