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Line of Credit and Debt Obligations (Details Textual) (USD $)
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0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | ||||
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Apr. 23, 2012
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Jul. 31, 2012
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Jul. 31, 2011
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Dec. 29, 2012
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Dec. 31, 2011
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Apr. 30, 2012
Revolving line of credit facility [Member]
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Jul. 31, 2008
Residential Mortgage [Member]
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Dec. 29, 2012
Residential Mortgage [Member]
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| Line of Credit and Debt Obligations (Textual) [Abstract] | ||||||||
| Commitment fee minimum percentage decreased | 0.1875% | |||||||
| Commitment fee minimum percentage further decreased | 0.10% | |||||||
| Extension of maturity period on amendment of existing credit facility | 2 years | |||||||
| Interest rate during period | 5.75% | |||||||
| Borrowing interest rate | 3.00% | |||||||
| Mortgage agreement, borrowed amount | $ 5,302,000 | $ 7,452,000 | $ 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% | |||||||
| Line of Credit and Debt Obligations (Additional Textual) [Abstract] | ||||||||
| Maturity date | Apr. 30, 2014 | |||||||
| Limited borrowing amount | 7,500,000 | |||||||
| Borrowing base | 13,500,000 | |||||||
| Amortization period of mortgage loan for sixty month | 20 years | |||||||
| 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 after sixty month | 15 years | |||||||
| Maximum percentage of outstanding debt for pre payment | 20.00% | |||||||
| Debt instrument pre payment | 1,400,000 | 1,950,000 | ||||||
| Early Repayment Percent of Outstanding Debt | 20.00% | 20.00% | ||||||
| Estimated fair value of debt | $ 5,700,000 | $ 8,300,000 | ||||||