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Note 5 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Raw materials $ 16,901 $ 16,881
Work-in-process 13,599 11,442
Finished goods 24,257 26,731
Total 54,757 55,054
Inventories 35,225 36,010
Other long-term assets $ 19,532 $ 19,044