| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/15/18 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] |
|
20 |
| 05/10/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 03/29/18 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
88 |
| 02/14/18 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 02/14/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 01/08/18 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 10 | |
| 11/13/17 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] |
|
22 |
| 11/13/17 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 11/08/17 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 08/14/17 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] |
|
22 |