Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Mar. 31, 2014
Inventory Disclosure [Abstract]    
Raw materials $ 14,114 $ 12,036
Work in process 3,611 2,200
Finished goods 24,499 23,973
Inventories, gross 42,224 38,209
Valuation reserves (908) (893)
Inventories, net $ 41,316 $ 37,316