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Line of Credit and Debt Obligations (Details Textual) (USD $) | 1 Months Ended | 6 Months Ended | 9 Months Ended |  |  | 0 Months Ended |  | 1 Months Ended |  | 0 Months Ended
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Jul. 31, 2012 | Jun. 29, 2013 | Jun. 30, 2012 | Sep. 29, 2012 | Dec. 29, 2012 | Apr. 23, 2012 | Apr. 23, 2012 Minimum [Member] | Jun. 29, 2013 Minimum [Member] | Apr. 30, 2012 Revolving line of credit facility [Member] | Jul. 31, 2008 Residential Mortgage [Member] | Jun. 29, 2013 Residential Mortgage [Member] | Jul. 18, 2013 Subsequent Event [Member]
Line of Credit and Debt Obligations (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Extension of maturity period on amendment of existing credit facility |  |  |  |  |  |  |  |  | 2 years |  |  |
Commitment fee minimum percentage further decreased |  |  |  |  |  | 0.10% |  |  |  |  |  |
Interest rate during period |  |  |  |  |  |  | 5.75% |  |  |  |  |
Borrowing interest rate |  |  |  |  |  |  |  | 3.00% |  |  |  |
Mortgage agreement, borrowed amount |  | $ 4,846,000 |  |  | $ 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% |
Repayments of Long-term Debt |  | 456,000 | 374,000 |  |  |  |  |  |  |  |  | 4,800,000
Line of Credit and Debt Obligations (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  | Apr. 30, 2014 |  |  |  |  |  |  |  |  |  |
Commitment fee minimum percentage decreased |  |  |  |  |  | 0.1875% |  |  |  |  |  |
Limited borrowing amount |  | 7,500,000 |  |  |  |  |  |  |  |  |  |
Borrowing base |  | 20,000,000 |  |  |  |  |  |  |  |  |  |
Total borrowing available |  | 20,000,000 |  |  |  |  |  |  |  |  |  |
Amounts outstanding drawn on facility |  | 0 |  |  |  |  |  |  |  |  |  |
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 of mortgage loan after sixty month |  | 15 years |  |  |  |  |  |  |  |  |  |
Debt instrument pre payment | 1,400,000 |  |  |  |  |  |  |  |  |  |  |
Early Repayment Percent of Outstanding Debt | 20.00% |  |  |  |  |  |  |  |  |  |  |
Estimated fair value of debt |  | $ 5,200,000 |  |  | $ 5,700,000 |  |  |  |  |  |  |

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
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