| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/19/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/02/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/18 | 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 |