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Revenue Recognition (Details) - Schedule of revenue from contracts with customers - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue Recognition (Details) - Schedule of revenue from contracts with customers [Line Items]
Insurance brokerage commissions	$ 959,299	$ 2,648,119	$ 5,375,531
Securities brokerage commissions	1,890,502	2,210,915	2,025,650
Market making commissions and fees	4,940,623	11,056,431
Total revenue from contracts with customers	7,790,424	15,915,465	7,401,181
Geographic revenue	7,790,424	15,915,465	7,401,181
Hong Kong [Member]
Revenue Recognition (Details) - Schedule of revenue from contracts with customers [Line Items]
Geographic revenue	2,777,831	4,859,034	7,401,181
Cayman Islands [Member]
Revenue Recognition (Details) - Schedule of revenue from contracts with customers [Line Items]
Geographic revenue	$ 5,012,593	$ 11,056,431

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Futures and securities brokerage commissions.

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Amount of commission revenue from buying and selling securities on behalf of customers.

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Carrying amount of total assets less total liabilities of a designated geographic area if disclosed as a concentration risk.

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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