Note 8 - Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Interest from leases	$ 21	$ 9
Total interest expense	294	300
Secured Term Note [Member]
Interest expense	104	166
Secured term note payable, related party [Member]
Interest expense	112	87
Insurance and Other Note Payable [Member]
Interest expense	$ 57	$ 38

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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+ Details