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Income Taxes (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 22, 2017
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2016
Income Taxes (Textual)              
Statutory tax rate   25.00% 25.00%        
Effective income tax rate   19.20% 11.70%        
Income tax, statute of limitations period   5 years          
Income tax expense   $ (647,795) $ (538,969)        
Federal taxation cash provided         $ 6,528    
Description of carry forwards expire   During the period of 2030 through 2035.          
Maximum [Member]              
Income Taxes (Textual)              
Effective income tax rate 35.00%            
Minimum [Member]              
Income Taxes (Textual)              
Effective income tax rate 21.00%            
United States [Member]              
Income Taxes (Textual)              
Statutory tax rate   34.00%          
State tax rates   0.00%          
Income tax expense       $ 80,000      
Additional income tax expense       $ 80,000      
PRC [Member]              
Income Taxes (Textual)              
Statutory tax rate   25.00%          
Net operating losses           $ 6,710,939
Percentage of valuation allowance             100.00%