| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/06/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | |
| 11/02/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 
                     | 
                  2 | 
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