| 20-F/A | Amendment to a previously filed 20-F | Aug 7, 2019 |  Open Amendment to a previously filed 20-F in HTML. Open Amendment to a previously filed 20-F in DOC file. Open Amendment to a previously filed 20-F in PDF file. Open Amendment to a previously filed 20-F in XLS file. |
| 20-F | Annual and transition report of foreign private issuers [Sections 13 or 15(d)] | Jul 30, 2019 | Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in HTML.Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in DOC file.Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in PDF file.Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XLS file. Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XBLR Viewer. Open Annual and transition report of foreign private issuers [Sections 13 or 15(d)] in XBLR file. |
| NT 20-F | NT 20-F | Apr 30, 2019 | Open NT 20-F in HTML.Open NT 20-F in DOC file.Open NT 20-F in PDF file.Open NT 20-F in XLS file. |
