| Type | Description | Date | |
| 424B3 | 424B3 - Prospectus [Rule 424(b)(3)] | August 15, 2018 | |
| 8-K | 8-K - Current report | August 3, 2018 | |
| CORRESP | CORRESP [Cover] - Correspondence | July 25, 2018 | |
| S-1/A | S-1/A [Amend] - General form for registration of securities under the Securities Act of 1933 | July 25, 2018 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | July 23, 2018 | |
| UPLOAD | UPLOAD [Cover] - SEC-generated letter | June 26, 2018 | |
| CORRESP | CORRESP [Cover] - Correspondence | May 16, 2018 | |
| S-1/A | S-1/A [Amend] - General form for registration of securities under the Securities Act of 1933 | May 16, 2018 | |
| 10-Q | 10-Q - Quarterly report [Sections 13 or 15(d)] | May 14, 2018 | |
| UPLOAD | UPLOAD [Cover] - SEC-generated letter | April 18, 2018 | |
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