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Note 11 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution (USD $)
 3 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Note 11 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]    
Total net sales $ 7,214,095us-gaap_SalesRevenueNet $ 6,309,100us-gaap_SalesRevenueNet
BRAZIL    
Note 11 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]    
Total net sales 763,585us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_BR		 602,362us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_BR
INDIA    
Note 11 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]    
Total net sales 206,907us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_IN		  
North America [Member]    
Note 11 - Geographic and Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]    
Total net sales $ 6,243,603us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 $ 5,706,738us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember