| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/06/18 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/28/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/28/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/21/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/14/17 | Statement of changes in beneficial ownership of securities |
|
2 |