Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Note 11 - Segment and Geographic Information - Total Net Sales by Geographic Distribution (Details) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018
Net sales by segment	$ 13,315,404	$ 12,213,975	$ 27,409,456	$ 23,757,013
CHINA
Net sales by segment			6,173,259	6,106,942
BRAZIL
Net sales by segment			1,551,595	1,456,456
INDIA
Net sales by segment			3,875,790	1,078,294
Other Countries [Member]
Net sales by segment			2,416,938	1,607,953
UNITED STATES
Net sales by segment			$ 13,391,874	$ 13,507,368