| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 03/11/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 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 | |
| 02/23/16 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 02/04/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 01/25/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/15/15 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 12/03/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

