| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/13/18 | 8-K | Current report filing | 
       
   | 
  3 | |
| 11/13/18 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  9 | |
| 11/06/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 10/17/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/17/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/17/18 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 10/17/18 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 10/16/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/15/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/15/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 


