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Note 12 - Geographic and Segment Information (Details) - Operating Income by Geographic Distribution (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Segment Reporting Information [Line Items]
Total operating income	$ 137,793us-gaap_OperatingIncomeLoss	$ 1,653,234us-gaap_OperatingIncomeLoss	$ 1,775,451us-gaap_OperatingIncomeLoss	$ 3,167,533us-gaap_OperatingIncomeLoss
BRAZIL
Segment Reporting Information [Line Items]
Total operating income			(41,559)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_BR	(145,955)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_BR
CHINA
Segment Reporting Information [Line Items]
Total operating income			(358,168)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_CN
INDIA
Segment Reporting Information [Line Items]
Total operating income			(9,246)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_IN	5,800us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_IN
North America [Member]
Segment Reporting Information [Line Items]
Total operating income			$ 2,184,424us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	$ 3,307,688us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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