| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/19 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/31/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/26/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/10/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |