| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 09/20/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/05/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/10/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/30/19 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | 
 
			