| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/07/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/07/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/07/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/05/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 06/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/01/18 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                  | 
  58 | |
| 05/31/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 

