| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/15/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/12/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/03/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/16/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/09/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/08/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/08/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/16/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/11/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/11/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

