Annual report pursuant to Section 13 and 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Mar. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 12,270 $ 13,322
Work in process 1,769 3,065
Finished goods 21,310 25,545
Inventories, gross 35,349 41,932
Valuation reserves (1,329) (1,287)
Inventories, net $ 34,020 $ 40,645