Note 12 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($)	May 31, 2017	Aug. 31, 2016
Total long-lived assets	$ 7,451,899	$ 7,275,872
BRAZIL
Total long-lived assets	56,246	66,938
INDIA
Total long-lived assets	13,634	13,645
GERMANY
Total long-lived assets	13,687
CHINA
Total long-lived assets	231,114	253,931
UNITED STATES
Total long-lived assets	$ 7,137,218	$ 6,941,358