| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Nov 30, 2021 |  Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file. Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file. |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Sep 8, 2021 | Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file. |
| 6-K | Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act | Jun 17, 2021 | Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in HTML.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in DOC file.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in PDF file.Open Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act in XLS file. |