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Note 11 - Geographic and Segment Information (Details) - Operating Income by Geographic Distribution (USD $) | 3 Months Ended
--- | ---
Nov. 30, 2014 | Nov. 30, 2013
Segment Reporting Information [Line Items] |  |
Total operating income | $ 1,637,658 us-gaap_OperatingIncomeLoss | $ 1,514,299 us-gaap_OperatingIncomeLoss
BRAZIL |  |
Segment Reporting Information [Line Items] |  |
Total operating income | (28,757)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_BR | (56,809)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_BR
INDIA |  |
Segment Reporting Information [Line Items] |  |
Total operating income | (9,099)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = country_IN |
North America [Member] |  |
Segment Reporting Information [Line Items] |  |
Total operating income | $ 1,675,514 us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | $ 1,571,109 us-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. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_BR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_IN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |