Note 14 - Accrued Liabilities - Components of Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Contract liabilities (Note 2)	$ 721	$ 1,279	$ 372
Deferred revenue	360	103
Warranty reserve (Note 9)	159	159
Accrued professional fees	86	101
Other accrued liabilities	289	292
Total other accrued liabilities	$ 1,615	$ 1,934