| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/01/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/29/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/18/18 | Statement of changes in beneficial ownership of securities |
|
2 |