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Summary of Significant Accounting Policies (Details Narrative) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 GBP (£) | Jun. 30, 2021 CNY (¥) | Jul. 02, 2019 USD ($)
Uninsured deposits related to cash deposits | $ 31,662,035 | $ 18,210,378 |  |  |
Unearned revenues | 4,556,626 | 4,095,472 |  |  |
Advertising costs | $ 224,933 | $ 285,964 |  |  |
Accounting Standards Update ("ASU") No. 2016-13 [Member] |  |  |  |  |
Assets allowance |  |  |  |  | $ 6,784,300
Discounted Cash Flow [Member] |  |  |  |  |
Interest rates |  | 4.35% |  |  |
Minimum [Member] |  |  |  |  |
Estimated useful lives of the assets | 3 years |  |  |  |
Minimum [Member] | Discounted Cash Flow [Member] |  |  |  |  |
Interest rates | 4.65% |  | 4.65% | 4.65% |
Maximum [Member] |  |  |  |  |
Estimated useful lives of the assets | 20 years |  |  |  |
Maximum [Member] | Discounted Cash Flow [Member] |  |  |  |  |
Interest rates | 6.25% |  | 6.25% | 6.25% |
China [Member] |  |  |  |  |
Uninsured deposits related to cash deposits | $ 77,399 |  |  |  |
UK [Member] |  |  |  |  |
Uninsured deposits related to cash deposits | $ 118,056 |  |  |  |
RMB [Member] |  |  |  |  |
Uninsured deposits related to cash deposits | ¥ |  |  |  | ¥ 500,000 |
GBP [Member] |  |  |  |  |
Uninsured deposits related to cash deposits | £ |  |  | £ 85,000 |  |

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