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Summary of Significant Accounting Policies (Details Narrative)
6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Mar. 31, 2020
Dec. 31, 2019
CNY (¥)
Dec. 31, 2016
USD ($)
Cash equivalents          
Allowance for loans to third party     34,402,684 6,119,594        
Value-added tax receivable from customers     97,287 1,006,361 356,038      
Impairment of long-lived assets     73,999      
Interest and penalties          
Unrecognized uncertain tax positions          
Research and development expenses     $ 3,512,512 $ 92,683      
Antidilutive securities excluded from computation of earnings per share, amount | shares          
Deferred offering cost         $ 312,202    
Deferred issuing costs         864,673      
Net (loss) income $ (640,243) $ (55,881,292) $ (61,995,758) $ (3,818,737) 24,048,184      
Retained earnings (26,019,942)   (25,379,699) 36,653,460 41,556,125      
Cash and cash equivalents $ 3,779,082   13,567 1,578,828 27,165,262      
Net cash used in operating activities     $ (1,071,379) (17,266,382) $ 27,603,542      
RMB [Member]                
Payment of income tax | ¥             ¥ 100,000  
Minimum [Member]                
Percentage of statutory surplus reserve after tax net income     10.00%          
Maximum [Member]                
Percentage of statutory surplus reserve after tax net income     50.00%          
Electronic Equipment [Member]                
Percentage of residual value     5.00%       5.00%  
Furniture [Member]                
Percentage of residual value     5.00%       5.00%  
Leasehold Improvements [Member]                
Percentage of residual value     0.00%       0.00%  
Subsequent Event [Member]                
Accounts receivable, except for the principle of factoring as percentage collected           0.07%    
Third Parties [Member]                
Allowance for loans to third party     $ 39,402,683 $ 7,119,594