| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/12/18 | 8-K | Form 8-K: Current report | 73 | |
| 02/08/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/02/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 02/01/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/31/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 10 | |
| 01/29/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/18/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/09/18 | 8-K | Form 8-K: Current report | 8 | |
| 01/09/18 | 424B5 | Form 424B5: Prospectus [Rule 424(b)(5)] | 94 | |
| 01/09/18 | 424B5 | Form 424B5: Prospectus [Rule 424(b)(5)] | 113 |