| 
           Prepaid Royalties (Details Textual) (USD $) 
        In Thousands, unless otherwise specified  | 
        3 Months Ended | |
|---|---|---|
| 
           Dec. 30, 2012 
         | 
        
           Jan. 01, 2012 
         | 
      |
| Prepaid Royalties | $ 203 | |
| Patent License, Estimated Useful Life | 7 years | |
| Royalty Expense | $ 7 | $ 0 | 
| X | ||||||||||
| 
             
- Definition 
          The estimated useful life of the patent license. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Carrying amount as of the balance sheet date of amounts paid for royalties in advance of when the expense is to be recognized, which will occur within one year or in the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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