| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/05/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/05/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/31/20 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  9 | |
| 07/31/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/31/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/30/20 | 8-K | Current report filing | 
       
   | 
  
                                            | 
  20 | 
| 07/28/20 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  4 | |
| 07/28/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/28/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/23/20 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  9 | 




