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Discontinued Operations (Details Textual) - Fulland Wind [Member]
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 10, 2017
USD ($)
Apr. 10, 2017
USD ($)
Dec. 28, 2016
USD ($)
Dec. 23, 2016
USD ($)
installments
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Discontinued Operations (Textual)            
Sale of stock to third party       $ 6,900,000    
Number of purchase price installments | installments       3    
RMB [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party       $ 48,000,000    
Number of purchase price installments | installments       3    
Second installment [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party   $ 2,100,000        
Second installment [Member] | RMB [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party $ 14,400,000          
First installment [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party     $ 2,100,000      
First installment [Member] | RMB [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party     $ 14,400,000      
Third installment [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party         $ 2,700,000 $ 2,700,000
Write off of receivable         2,700,000  
Third installment [Member] | RMB [Member]            
Discontinued Operations (Textual)            
Sale of stock to third party         19,200,000 $ 19,200,000
Write off of receivable         $ 19,200,000