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Line of Credit and Debt Obligations (Details Textual) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended
Jul. 18, 2013
Apr. 23, 2012
Jul. 31, 2012
Jul. 31, 2011
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Apr. 23, 2012
Revolving line of credit facility [Member]
Jul. 31, 2008
Residential Mortgage [Member]
Line of Credit and Debt Obligations (Textual) [Abstract]                  
Extension of maturity period on amendment of existing credit facility               2 years  
Maturity date   Apr. 30, 2014              
Commitment fee minimum percentage decreased   0.1875%              
Commitment fee minimum percentage further decreased   0.10%              
Interest rate during period   5.75%              
Borrowing interest rate   3.00%     3.00%        
Limited borrowing amount         $ 7,500,000        
Borrowing base         20,000,000        
Total borrowing available         12,300,000        
Mortgage agreement, borrowed amount         0 5,302,000     13,500,000
Interest rate description for mortgage                 Initially bears interest at the rate of 7.18% per annum, which rate will be reset after five years to 3.03% over the then weekly average yield of five-year U.S. Dollar Interest Rate Swaps as published by the Federal Reserve
Mortgage bears interest rate initially                 7.18%
Mortgage bears interest rate after five year                 3.03%
Monthly principal and interest payments description         A twenty year amortization for the first sixty months and fifteen year amortization thereafter. The remaining principal balance of the mortgage and any accrued but unpaid interest will be due on August 1, 2018        
Amortization period of mortgage loan for sixty month     20 years            
Amortization period, initial basis     60 months            
Amortization period of mortgage loan after sixty month     15 years            
Early Repayment Percent of Outstanding Debt       20.00% 20.00%        
Debt instrument pre payment     1,400,000 1,950,000          
Maximum percentage of outstanding debt for pre payment     20.00%            
Repayments of Long-term Debt $ 4,800,000       $ 5,224,000 $ 2,210,000 $ 2,571,000