Note 10 - Geographic And Segment Information (Details) - Total Net Sales by Geographic Distribution (USD $)	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Note 10 - Geographic And Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales	$ 6,219,008	$ 5,246,350	$ 12,528,108	$ 10,538,097
BRAZIL
Note 10 - Geographic And Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			1,153,012	1,131,469
INDIA
Note 10 - Geographic And Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			168,779
North America [Member]
Note 10 - Geographic And Segment Information (Details) - Total Net Sales by Geographic Distribution [Line Items]
Total net sales			$ 11,206,317	$ 9,406,628