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Inventories, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Jun. 30, 2012
Schedule of Inventory [Line Items]    
Raw materials $ 7,518 $ 6,344
Work in progress 1,365 1,058
Finished goods 1,283 1,530
Reserves (733) (577)
Inventories, net $ 9,433 $ 8,355