| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/19/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/12/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/02/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 12/02/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/25/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/21/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/21/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/19/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 11/13/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
 
			