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Related party transactions (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Consultancy services with Stone Sunny Isles Inc. |  |  |  |
Related party transactions |  |  |  |
Amount of transaction | $ 40,000 | $ 40,000 | $ 100,000 | $ 100,000
Consultancy services with 10X Capital Inc. |  |  |  |
Related party transactions |  |  |  |
Amount of transaction | $ 0 | $ 0 | $ 0 | $ 50,000

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- Details
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