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Concentrations (Details 1) - Purchase [Member]
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage 10.00% 10.00%
Supplier A [Member]    
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage 31.00% [1]
Supplier B [Member]    
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage 12.00% [1]
Supplier C [Member]    
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage 12.00% [1]
Suppliers D [Member]    
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage [1] 23.00%
Suppliers E [Member]    
Concentration of purchase from suppliers    
Concentration risk supplier, Percentage [1] 18.00%
[1] Less than 10%