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Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Property, Plant and Equipment [Line Items]    
Property and equipment $ 43,264 $ 42,320
Less: accumulated depreciation and amortization (34,059) (31,673)
Property and equipment, net 9,205 10,647
Minimum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 1 year  
Maximum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 39 years  
Land
    
Property, Plant and Equipment [Line Items]    
Property and equipment 393 393
Building and Building Improvements
    
Property, Plant and Equipment [Line Items]    
Property and equipment 2,793 2,756
Building and Building Improvements | Minimum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 7 years 7 years
Building and Building Improvements | Maximum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 39 years 39 years
Machinery and Equipment
    
Property, Plant and Equipment [Line Items]    
Property and equipment 26,141 25,876
Machinery and Equipment | Minimum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 3 years 3 years
Machinery and Equipment | Maximum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 12 years 12 years
Furniture and Fixtures
    
Property, Plant and Equipment [Line Items]    
Property and equipment 3,030 3,023
Furniture and Fixtures | Minimum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 3 years 3 years
Furniture and Fixtures | Maximum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 5 years 5 years
Vehicles
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 3 years 3 years
Property and equipment 136 136
Leasehold Improvements
    
Property, Plant and Equipment [Line Items]    
Property and equipment $ 10,771 $ 10,136
Leasehold Improvements | Minimum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 1 year 1 year
Leasehold Improvements | Maximum
    
Property, Plant and Equipment [Line Items]    
Property and equipment, depreciable life in years 15 years 15 years