| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/07/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/26/12 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/03/12 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/14/12 | 10-Q | Quarterly report pursuant to sections 13 or 15(d) | 
       
   | 
  
                                            | 
  35 | 
| 09/11/12 | 10-Q/A | Quarterly report pursuant to sections 13 or 15(d) | 
       
   | 
  
                                            | 
  4 | 
| 08/24/12 | 8-K | Current report filing | 
       
   | 
  10 | |
| 08/14/12 | 10-Q | Quarterly report pursuant to sections 13 or 15(d) | 
       
   | 
  31 | |
| 07/18/12 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/03/12 | 8-K | Current report filing | 
       
   | 
  131 | |
| 05/17/12 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 




