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Property and Equipment, Net (Schedule of Property and Equipment) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 2,258 $ 3,949
Accumulated depreciation and amortization (1,923) (3,826)
Property and equipment, net 335 123
Property and equipment
   
Property, Plant and Equipment [Line Items]    
Gross property and equipment 1,937 3,755
Leasehold improvements
   
Property, Plant and Equipment [Line Items]    
Gross property and equipment $ 321 $ 194