| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/16/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/15/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/15/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/15/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/09/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/09/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/08/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/02/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
