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Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Summary of Significant Accounting Policies (Textual)      
Accounts receivable past due terms 1 year    
Value added tax payable, Percentage 16.00%    
Tax benefit, description Greater than 50%.    
Voting power, description More than 50%.    
Voting ownership interest, description More than 50%.    
Impairment loss $ 3,281,779    
Continuing operations [Member]      
Summary of Significant Accounting Policies (Textual)      
Warranty expense (10,261) $ (130,885) $ (141,449)
Government subsidies 0 17,394 0
Research and development costs 301,713 344,575 1,192,930
Advertising expenses $ 56,259 $ 76,592 56,338
Discontinued operations [Member]      
Summary of Significant Accounting Policies (Textual)      
Warranty expense    
Government subsidies    
Research and development costs    
Advertising expenses    
Minimum [Member]      
Summary of Significant Accounting Policies (Textual)      
Accounts receivable terms 60 days    
Maximum [Member]      
Summary of Significant Accounting Policies (Textual)      
Accounts receivable terms 180 days