| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | ||
| 12/07/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/11/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/29/17 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/29/17 | Statement of changes in beneficial ownership of securities |
|
2 |