| 
           Subsequent Events (Details Textual) 
         | 
        3 Months Ended | 
|---|---|
| 
           Dec. 30, 2012 
         | 
      |
| Options Termination Date | Dec. 31, 2014 | 
| Unvested Options To Purchase Shares | 5,000,000 | 
| X | ||||||||||
| 
             
- Definition 
          Date on which option to be terminated. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          It refers to unvested options to purchase common stock. No definition available. 
  |