| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/30/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 10/07/15 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 09/09/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/11/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 07/08/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/01/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

