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Summary of Significant Accounting Policies (Detail Textuals) (USD $)
 6 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Jan. 01, 2010
Dec. 29, 2012
Mortgage
Jul. 14, 2011
Mortgage
Debt Instrument [Line Items]              
Customer consigned inventory   $ 10,300,000 $ 10,300,000        
Restricted cash   9,911,000 20,576,000        
Payment of indebtedness under the mortgage           11,800,000 38,300,000
Additional prepayment of indebtedness           10,000,000  
Restricted cash under mortgage, released quarterly           10,000,000  
Allowances for receivables (in dollars)   4,720,000 5,135,000        
Damaged, excess and obsolete inventory reserves   1,126,000 1,492,000 1,670,000 2,573,000    
Vendor rebate receivable, Total   9,000,000 9,000,000        
Customer rebate payable, Total   5,500,000 7,000,000        
Quarterly rate of common stock paid (in dollars per share)   $ 0.125          
Total cash insurance proceeds received related to damaged facility at Newtown, CT   5,800,000          
Cash insurance proceeds received related to the damaged building   2,200,000          
Cash insurance proceeds received related to damaged and destroyed inventory     2,400,000        
Recovery of additional expenses incurred     1,200,000        
Gain included in Selling, general and administrative expenses     1,400,000        
Gain from insurance proceeds related to damaged building 500,000   1,200,000        
Gain related to recovery of gross margin on inventory     200,000        
Accumulated gain from foreign currency translation (net of tax)   $ 1,797,000 $ 1,694,000 $ 1,786,000