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Service fee percentage.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Basis of Presentation and Summary of Significant Accounting Policies (Textual)
Restricted cash balance	$ 181,283		$ 181,283		$ 184,437
Advances from customers	275,903		$ 275,903		$ 114,191
Distribution of equity method investment, description			Hengjiu is a related party which was 75% owned by Jiuyuan Investment Co., Ltd. ("Jiuyuan"), a shareholder of Beijing Jiucheng, and 25% owned by Xiangbin Meng, the Company's Chairman.
Percentage of service fees, description			According to the service fee allocation agreement, Beijing Jiucheng was entitled to a service fee of 1% of the loan principal per month before July 1, 2016 and 1.5% per month effective July 1, 2016 and thereafter as Beijing Jiucheng increased the loan management and risk assessment services that were originally done by Beijing Hengjiu since May 2016.
Description of tax examination.			The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination.
Advertising expenses	$ 85,302	$ 35,112	$ 116,907	$ 65,877
Description of value added taxes			In case of the financial services provided, generally the value added tax (“VAT”) rate is 3% of the gross sales for small scale VAT payer and 6% of the gross sales for general VAT payer.
Foreign currency translation adjustment, description			Asset and liability accounts at June 30, 2018 and December 31, 2017 were translated at 6.6195 RMB to $1.00 and at 6.5063 RMB to $1.00, respectively, which were the exchange rates on the balance sheet dates. Equity accounts were stated at their historical rates. The average translation rates applied to the statements of operations for the six months ended June 30, 2018 and 2017 were 6.3701 RMB and 6.8748 RMB to $1.00, respectively.
Concentration risk, percentage			10.00%	10.00%