| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/13/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 01/06/21 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/30/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 12/22/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/17/20 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
