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Note 8 - Inventory - Summary of Net Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Mar. 31, 2019
Raw materials $ 11,456 $ 5,474
Work-in-process 2,072 1,922
Finished goods 3,967 4,405
Deferred program costs 1,096 318
Net inventory $ 18,591 $ 12,119