| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/18/18 | 10-K/A | Annual report pursuant to Section 13 and 15(d) |
|
   |
4 |
| 03/13/18 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
5 | |
| 03/13/18 | DEF 14A | Definitive proxy statements |
|
47 | |
| 03/05/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
121 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
