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Other Current and Non-Current Assets - Schedule of Other Assets, Noncurrent (Details) (Parenthetical)
6 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
Jun. 30, 2018
CNY (¥)
Jun. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jun. 30, 2018
CNY (¥)
Security deposits $ 14,000,000          
Deposit receivable sold 13,000,000          
Payment on deposits 10,400,000          
Proceeds from other assets       $ 3,300,000 $ 1,000,000  
Loss on sale of other assets   $ (103,965)   $ 2,700,000  
RMB [Member]            
Security deposits | ¥           ¥ 90,800,000
Deposit receivable sold | ¥   ¥ 90,200,000        
Payment on deposits | ¥   ¥ 72,200,000