| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/29/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/29/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/21/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/21/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/21/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/15/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
