| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/03/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/20/18 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 4 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |