| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/06/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/30/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/30/18 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                  | 
  61 | |
| 11/29/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/29/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/29/18 | Current report filing | 
       
   | 
  15 | ||
| 11/27/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/26/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/21/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | ||
| 11/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 

