| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/22/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/07/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/17 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/01/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/01/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |