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Fair Value Measurements (Details)
Dec. 31, 2018
USD ($)
FairValueInputsAssetsQuantitativesInformationLineItems [Line Items]  
Banker's acceptance notes $ 20,579
Total 20,579
Fair Value, Inputs, Level 1 [Member]  
FairValueInputsAssetsQuantitativesInformationLineItems [Line Items]  
Banker's acceptance notes
Total
Fair Value, Inputs, Level 2 [Member]  
FairValueInputsAssetsQuantitativesInformationLineItems [Line Items]  
Banker's acceptance notes 20,579
Total 20,579
Fair Value, Inputs, Level 3 [Member]  
FairValueInputsAssetsQuantitativesInformationLineItems [Line Items]  
Banker's acceptance notes
Total