Annual report pursuant to Section 13 and 15(d)

Restructuring Costs (Details Textual)

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Restructuring Costs (Details Textual) (USD $)
1 Months Ended 12 Months Ended
Aug. 31, 2012
Dec. 31, 2012
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Restructuring Costs (Textual) [Abstract]          
Severance charges $ 640,000        
Marketing expense 396,000   51,416,000 55,785,000 38,757,000
Fulfillment expense 228,000        
Technology expense 16,000   6,274,000 7,274,000 5,902,000
Acquisition and integration related costs   7,400,000      
Severance payable     $ 220,000