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Note 13 - Cost of Goods Sold by Segment (Details) - USD ($)	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Indirect Cost of Goods Sold [Member] | ZERUST [Member]
Cost of Goods Sold	$ 14,399,456	$ 12,941,234	$ 11,408,604
Indirect Cost of Goods Sold [Member] | NaturTec [Member]
Cost of Goods Sold	3,232,353	2,234,736	1,731,398
Indirect Cost of Goods Sold [Member]
Cost of Goods Sold	2,924,124	2,627,183	2,333,210
Cost of Goods Sold	$ 20,555,932	$ 17,803,153	$ 15,473,212

X

- Definition

Total costs related to goods produced and sold during the reporting period.

+ 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 210.5-03.2(a))



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

+ Details

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- Details

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X

- Details

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