| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/09/20 | 8-K | Current report filing | 
       
   | 
  4 | |
| 02/19/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/19/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/19/20 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 02/18/20 | 8-K | Current report filing | 
       
   | 
  47 | |
| 12/03/19 | 8-K | Current report filing | 
       
   | 
  11 | |
| 11/19/19 | 8-K | Current report filing | 
       
   | 
  3 | |
| 11/15/19 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/15/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/13/19 | 8-K | Current report filing | 
       
   | 
  36 | 
