| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/28/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/28/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/28/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/28/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 09/30/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 09/09/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/20/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/19/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/19/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/02/13 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

