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Summary of Significant Accounting Policies (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Summary of Significant Accounting Policies (Textual)    
Accounts receivable $ 16,042,004 $ 15,858,804
Interest receivable on sales type leases 9,315,463 9,869,357
Asset impairment loss  
Bad debt allowance for net investment receivable $ 4,839,392 $ 1,802,822
Description of corporate income tax rate The provisions of the Tax Act that may have significant impact on the Company, including the permanent reduction of the corporate income tax rate from 35% to 21% effective for tax years including or commencing on January 1, 2018.  
U.S. corporate income taxes 21.00%  
U.S. corporate income taxes for prior 35.00%  
Xi'an TCH [Member]    
Summary of Significant Accounting Policies (Textual)    
Equity method investment, ownership percentage 100.00%  
Erdos TCH [Member]    
Summary of Significant Accounting Policies (Textual)    
Equity method investment, ownership percentage 100.00%  
Zhonghong [Member]    
Summary of Significant Accounting Policies (Textual)    
Equity method investment, ownership percentage 90.00%