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Note 10: Stock-based Compensation: Schedule of Stock Based Compensation (Details) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Stock-based compensation	$ 1,206,398	$ 1,064,539	$ 990,461
Cost of Sales
Allocated stock-based compensation expense	64,090	38,273	40,617
Research and Development Expense
Allocated stock-based compensation expense	202,453	185,406	174,026
Selling, General and Administrative Expenses
Allocated stock-based compensation expense	$ 939,855	$ 840,860	$ 775,818

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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