| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/10/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/10/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/09/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/09/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/03/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/02/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/02/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 05/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 05/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 05/28/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
