Annual report pursuant to Section 13 and 15(d)

Inventories (Details)

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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Mar. 31, 2012
Inventory Disclosure [Line Items]    
Work in process $ 1,685 $ 1,402
Raw materials 10,232 11,721
Finished goods 23,550 26,424
Inventories, gross 35,467 39,547
Valuation reserves (1,076) (1,094)
Inventories, net $ 34,391 $ 38,453