Note 4 - Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Liability for non-cancelable contracts	$ 12,994	$ 10,498
Contract liabilities	5,074	17,666
Liability for production materials	4,049	6,002
Other accrued liabilities	8,256	7,847
Total accrued liabilities	36,305	48,467
Accrued Liabilities [Member]
Current portion of operating lease liabilities	$ 5,932	$ 6,454