| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/19/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |