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Note 11 - Segment and Geographical Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($)
Feb. 28, 2018
Aug. 31, 2017
China $ 7,155,946 $ 7,359,662
CHINA    
China 222,089 228,458
BRAZIL    
China 49,748 54,646
GERMANY    
China 13,813 14,171
INDIA    
China 13,186 14,712
UNITED STATES    
China $ 6,857,110 $ 7,047,675