Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Mar. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 15,531 $ 12,299
Work in process 1,941 5,060
Finished goods 27,896 24,765
Inventories, gross 45,368 42,124
Valuation reserves (1,270) (1,116)
Inventories, net $ 44,098 $ 41,008