4 | Statement of changes in beneficial ownership of securities | Sep 28, 2017 |    |
4 | Statement of changes in beneficial ownership of securities | Sep 27, 2017 |    |
4 | Statement of changes in beneficial ownership of securities | Sep 27, 2017 |    |
4 | Statement of changes in beneficial ownership of securities | Sep 27, 2017 |    |
4 | Statement of changes in beneficial ownership of securities | Sep 27, 2017 |    |
10-K/A | Amendment to a previously filed 10-K | Sep 25, 2017 |       |
10-K | Annual report which provides a comprehensive overview of the company for the past year | Sep 25, 2017 |     |
8-K | Report of unscheduled material events or corporate event | Sep 25, 2017 |     |
8-K | Report of unscheduled material events or corporate event | Sep 14, 2017 |     |
8-K | Report of unscheduled material events or corporate event | Aug 15, 2017 |     |
424B2 | Form of prospectus filed in connection with primary offering of securities on a delayed basis | Aug 10, 2017 |     |
EFFECT | Notice from the SEC of registration effectiveness | Aug 9, 2017 |    |
S-3/A | Pre-effective amendment to an S-3 filing | Aug 7, 2017 |     |
S-3 | Simplified registration form | Jul 26, 2017 |     |
10-Q | Quarterly report which provides a continuing view of a company's financial position | May 10, 2017 |       |
8-K | Report of unscheduled material events or corporate event | May 10, 2017 |     |