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Note 4 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Raw materials $ 24,461 $ 16,148
Work-in-process 12,574 13,639
Finished goods 4,004 6,575
Inventory, Gross, Total 41,039 36,362
Less: Reserve for excess and obsolete inventory (1,972) (2,985)
Net inventories $ 39,067 $ 33,377