| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/18/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/18/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/15/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/28/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/16/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/07/17 | Statement of changes in beneficial ownership of securities |
|
2 |