Note 9: Income Taxes: Schedule of Income Tax (Provision) Benefit Computed at Federal Rates (Details) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Income tax benefit at federal statutory rate	$ 2,706,000	$ 1,797,000	$ 2,538,000
Stock-based compensation expense	(324,000)	(249,000)	(205,000)
State income taxes, net of federal benefit	263,000	174,000	246,000
Research and development credit	88,000	102,000	209,000
Valuation allowance - federal	(3,000,000)	(1,688,000)	(3,127,000)
Other	266,012	(136,800)	345,571
Income tax (provision) benefit	$ (988)	$ (800)	$ 6,571