| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/23/18 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/20/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/17/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/13/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/05/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/22/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
