6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Dec 15, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Dec 1, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Nov 29, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Nov 16, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Oct 6, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Sep 8, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Aug 31, 2017 |     |
F-3 | Registration statement for certain foreign private issuers offered for certain transactions | Aug 24, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Aug 1, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Jul 10, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Jun 6, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Apr 13, 2017 |     |
20-F/A | Amendment to a previously filed 20-F | Mar 28, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Mar 15, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Mar 9, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Feb 22, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Feb 16, 2017 |     |
20-F | Registration of securities of foreign private issuers pursuant to section 12(b) or (g) | Jan 9, 2017 |       |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Jan 3, 2017 |     |
6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Jan 3, 2017 |     |