| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/16/20 | 8-K | Current report filing | 
       
   | 
  4 | |
| 05/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/27/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/24/20 | 8-K/A | Current report filing | 
       
   | 
  29 | |
| 04/20/20 | SC 13D | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  9 | |
| 04/17/20 | 8-K | Current report filing | 
       
   | 
  56 | |
| 04/14/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/08/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/03/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 04/03/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 
