STATUTORY RESERVE (Narrative) (Details)	12 Months Ended
Jul. 31, 2016
Foreign Tax Authority [Member]
Statutory Surplus Reserve Fund Percentage	10.00%
Registered Capital Appropriation Percentage	50.00%
CHINA [Member]
Statutory Surplus Reserve Fund Percentage	10.00%
Registered Capital Appropriation Percentage	50.00%

Represents the percentage of After Tax Profits which can be transferred to statutory surplus reserve fund.

No definition available.

Name:	goas_StatutorySurplusReserveFundPercentage
Namespace Prefix:	goas_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration