| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/10/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/10/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/06/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/04/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/02/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
