| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 10/23/18 | Current report filing | 
       
   | 
  9 | ||
| 08/27/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/09/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/06/18 | Current report filing | 
       
   | 
  5 | ||
| 08/03/18 | Current report filing | 
       
   | 
  4 | ||
| 08/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 08/01/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 
