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Non-marketable equity securities (Details) - Schedule of Non-marketable equity securities - USD ($) | 6 Months Ended
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Jun. 30, 2021 | Dec. 31, 2020
Schedule of Non-marketable equity securities [Abstract] |  |
Cost | $ 1,393,491 |
Impairment | (691,748) |
Carrying amount | $ 701,743 |

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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. + References No definition available. + Details
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