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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 | $ 137,793 us-gaap_OperatingIncomeLoss | $ 1,653,234 us-gaap_OperatingIncomeLoss | $ 1,775,451 us-gaap_OperatingIncomeLoss | $ 3,167,533 us-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 | 5,800 us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_IN
North America [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating income |  |  | $ 2,184,424 us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | $ 3,307,688 us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember

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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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