| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/03/20 | Annual statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 01/03/20 | Annual statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  3 | ||
| 01/03/20 | Initial statement of beneficial ownership of securities | 
     PDF   
   | 
  3 | ||
| 12/03/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 12/02/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 12/02/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 11/19/19 | Current report filing | 
     PDF   
   | 
  
           ZIP        | 
  123 | |
| 11/14/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 11/06/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 | ||
| 11/06/19 | Statement of changes in beneficial ownership of securities | 
     PDF   
   | 
  1 |