Note 16 - Related Party Transactions (Details Textual) - Bioplastic Polymers LLC [Member] - USD ($)	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Consulting Payment Expense [Member]
Related Party Transaction, Amounts of Transaction	$ 100,000	$ 100,000	$ 100,000
Royalty Payment Expense [Member]
Related Party Transaction, Amounts of Transaction	$ 21,327	$ 14,388	$ 10,244