| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/12/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 07/01/19 | Current report filing | 
       
   | 
  3 | ||
| 06/28/19 | Current report filing | 
       
   | 
  123 | ||
| 06/25/19 | Current report filing | 
       
   | 
  4 | ||
| 06/20/19 | Initial statement of beneficial ownership of securities | 
       
   | 
  3 | ||
| 06/17/19 | Current report filing | 
       
   | 
  3 | ||
| 06/10/19 | Current report filing | 
       
   | 
  3 | ||
| 06/03/19 | Current report filing | 
       
   | 
  3 | ||
| 05/29/19 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 05/24/19 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  10 | 
