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Certain Financial Statement Information - Schedule of Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Mar. 31, 2013
Schedule of Inventories    
Finished goods $ 9,375 $ 7,247
Work in process 6,510 4,098
Raw materials 3,061 1,555
Inventories, total $ 18,946 $ 12,900