| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/14/16 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | ||
| 01/05/16 | Annual statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/15/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/14/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/08/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/08/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/07/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/07/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/07/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/07/15 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 


