| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/23/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/02/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/02/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/02/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 06/02/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 03/24/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/03/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 03/03/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 03/03/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 03/03/15 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
    		
