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Fair Value Measurements (Details)
Sep. 30, 2017
USD ($)
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Banker's acceptances $ 22,920
Total 22,920
Fair Value Measurements at Reporting Date Using Level 1 [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Banker's acceptances
Total
Fair Value Measurements at Reporting Date Using Level 2 [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Banker's acceptances 22,920
Total 22,920
Fair Value Measurements at Reporting Date Using Level 3 [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Banker's acceptances
Total