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Note 3 - Summary of Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Mar. 31, 2015
Raw materials $ 9,433 $ 10,366
Work-in-process 337 530
Finished goods 4,941 1,913
Less reserve (694) (389)
Total $ 14,017 $ 12,420