Note 5 - Patents and Trademarks, Net (Tables)

6 Months Ended

Feb. 28, 2013

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	February 28, 2013			August 31, 2012
Patents and trademarks	$	2,045,102		$	1,945,785
Less accumulated amortization		(1,018,005	)		(984,604	)
	$	1,027,097		$	961,181