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Note 7 - Supplemental Balance Sheets Information - Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Mar. 31, 2021
Raw materials $ 14,172 $ 5,755
Work in process 4,419 426
Finished goods 6,015 4,997
Inventories, net $ 24,606 $ 11,178