| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/22/19 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 09/27/19 | 8-K | Current report filing | 
       
   | 
  16 | |
| 08/05/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/31/19 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  38 | 
| 07/31/19 | 8-K | Current report filing | 
       
   | 
  3 | |
| 07/31/19 | 8-K | Current report filing | 
       
   | 
  4 | |
| 07/31/19 | 8-K | Current report filing | 
       
   | 
  10 | |
| 06/26/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/22/19 | 8-K | Current report filing | 
       
   | 
  3 | |
| 05/21/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 



