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Intangible assets and goodwill (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Acquisition and disposal of subsidiaries in Russia |  |
Average useful economic life of intangible assets | 4 years | 4 years
CGU Lightmap LLC |  |
Acquisition and disposal of subsidiaries in Russia |  |
Percentage of change in EV/EBITDA multiple | 10.00% |
Increase in recoverable amount due to change in EV/EBITDA multiple | $ 520 |
Decrease in recoverable amount due to change in EV/EBITDA multiple | $ (520) |

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