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Note 4 - Inventories, Net - Summary of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Mar. 31, 2020
Raw materials $ 7,263 $ 6,757
Work-in-process 357 329
Finished goods 7,099 9,768
Less: reserve (2,882) (2,624)
Inventories, net $ 11,837 $ 14,230