Registration statement for securities of certain foreign private issuers

Significant Accounting Policies (Details Textual)

v3.19.1
Significant Accounting Policies (Details Textual)
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Significant Accounting Policies (Textual)    
Monthly deposits rate   8.33%
Description of american depositary share Each ADS represents 2 ordinary shares of the Company. Each ADS represents 2 ordinary shares of the Company.