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Note 12 - Geographic And Segment Information (Details) - Total assets by geographic distribution (USD $) | Aug. 31, 2013 | Aug. 31, 2012
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Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Country | $ 49,053,949 | $ 41,877,627
Brazil [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Country | 1,419,543 | 1,610,389
North America [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Country | $ 47,634,406 | $ 40,267,238

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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Period Type: | instant

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- Details
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Balance Type: | na
Period Type: | duration