Non-current financial assets - Disclosure of Classification in Non-current Financial Assets (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Disclosure of financial assets [abstract] | |||
| Fair value of membership in Construction Association of Republic of Korea | $ 107,862 | $ 107,890 | |
| Non-current financial assets | $ 107,862 | $ 107,890 | $ 114,520 |