| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/12/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/12/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/12/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/04/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/03/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/03/13 | 3/A | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 10/03/13 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 09/18/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 09/16/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 09/16/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
