| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/01/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 07/01/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/23/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/19/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 06/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
