| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/30/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/25/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/20/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/18/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/10/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/25/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/20/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/17/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/14/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |