Note 14 - Accrued Liabilities - Components of Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Contract liabilities (Note 2)	$ 1,026	$ 721	$ 1,279
Warranty reserve (Note 9)	159	159
Deferred revenue	91	360
Accrued professional fees	83	86
Other accrued liabilities	275	289
Total other accrued liabilities	$ 1,634	$ 1,615