Note 4 - Inventories and Other Deferred Costs - Summary of Inventories and Other Deferred Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Raw materials	$ 14,929	$ 5,945
Work-in-process	3,662	9,416
Finished products	26,688	25,286
Other deferred costs	4,992	5,457
Total inventory and other deferred costs	$ 50,271	$ 46,104