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Note 3 - Inventories and Other Deferred Costs - Summary of Inventories and Other Deferred Costs (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Raw materials $ 5,182 $ 5,044
Work-in-process 9,193 6,004
Finished products 24,775 28,117
Other deferred costs 5,601 5,950
Total inventory and other deferred costs $ 44,751 $ 45,115