| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/03/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/04/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/04/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 04/04/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 03/25/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 03/25/16 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 03/02/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 03/02/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 03/01/16 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/10/16 | Annual statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
