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Note 10 - Geographic And Segment Information (Details) - Operating Income by Geographic Distribution (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Feb. 28, 2014 | Feb. 28, 2013 | Feb. 28, 2014 | Feb. 28, 2013
Segment Reporting Information [Line Items] |  |  |  |
Total operating income | $ 1,653,234 | $ 969,855 | $ 3,167,533 | $ 1,843,519
BRAZIL |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating income |  |  | (145,955) | (106,759)
INDIA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating income |  |  | 5,800 |
North America [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total operating income |  |  | $ 3,307,688 | $ 1,950,278

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration