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Summary of Financial Information for KoBrite (Detail) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 25, 2011
Jun. 30, 2012
Jun. 25, 2011
Schedule of Equity Method Investments [Line Items]        
Revenue $ 22,848,037 $ 31,430,957 $ 48,095,522 $ 66,365,449
Loss from operations (4,792,816) 478,560 (7,732,768) 2,636,545
Net loss (5,124,794) 757,952 (7,592,880) 2,802,132
Ko Brite
        
Schedule of Equity Method Investments [Line Items]        
Revenue 1,170,000 1,298,000 2,915,000 2,289,000
Gross margin (653,000) 122,000 (885,000) (399,000)
Loss from operations (1,505,000) (276,000) (2,283,000) (1,255,000)
Net loss $ (1,532,000) $ (371,000) $ (2,843,000) $ (1,314,000)