Note 3 - Inventories and Other Deferred Costs - Summary of Inventories and Other Deferred Costs (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Raw materials	$ 20,323	$ 18,333
Work-in-process	2,966	2,869
Finished products	33,796	31,131
Other deferred costs	7,936	5,747
Total inventory and other deferred costs	$ 65,021	$ 58,080