| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/09/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/13/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
