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Variable Interest Entity (Details) - Variable Interest Entity, Primary Beneficiary - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Current Assets    
Variable Interest Entity [Line Items]    
Variable interest entity, assets $ 1,081,651 $ 1,450,034
Noncurrent Assets    
Variable Interest Entity [Line Items]    
Variable interest entity, assets 7,622,395 7,527,266
Current Liabilities    
Variable Interest Entity [Line Items]    
Variable interest entity, liabilities 823,013 699,086
Noncurrent Liabilities    
Variable Interest Entity [Line Items]    
Variable interest entity, liabilities $ 4,512,350 $ 4,536,422