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Note 3 - Summary of Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Mar. 31, 2016
Raw materials $ 9,799 $ 9,433
Work-in-process 562 337
Finished goods 4,080 4,941
Less: reserve (322) (694)
Total $ 14,119 $ 14,017