Number of new stock issued during the period.

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Balance Type:	na
Period Type:	duration

Organization and Principal Activities (Details) $ in Millions	Oct. 02, 2018 USD ($) shares	Oct. 31, 2010 item
Organization and Principal Activities
Proceeds from initial public offering \| $	$ 45.1
IPO \| Common Stock
Organization and Principal Activities
Number of shares issued during the period	217,500,000
IPO \| ADS
Organization and Principal Activities
Number of shares issued during the period	4,350,000
Han Xiang
Organization and Principal Activities
Number of investors \| item		3
Three investors \| Han Xiang
Organization and Principal Activities
Percentage of interest acquired by outside investors		24.24%