| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/06/20 | 8-K | Current report filing | 
       
   | 
  3 | |
| 05/05/20 | 8-K | Current report filing | 
       
   | 
  6 | |
| 04/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

