| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/13/18 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/18/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/03/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/22/17 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/18/17 | Statement of changes in beneficial ownership of securities |
|
1 |