| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/17/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/17/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/17/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/14/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/14/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/14/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 08/12/15 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/14/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/13/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 


