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Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales	$ 6,728,709us-gaap_SalesRevenueNet	$ 6,219,008us-gaap_SalesRevenueNet	$ 13,942,804us-gaap_SalesRevenueNet	$ 12,528,108us-gaap_SalesRevenueNet
BRAZIL
Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			1,418,236us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_BR	1,153,012us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_BR
CHINA
Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			20,732us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_CN
INDIA
Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			416,772us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_IN	168,779us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = country_IN
North America [Member]
Note 12 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			$ 12,087,064us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember	$ 11,206,317us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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