| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/29/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/17 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/17 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/22/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/17 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/16/17 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
