Note 7. Stock-based Compensation (Details) (USD $)	6 Months Ended
	Feb. 28, 2014
Details
Shares available for grant	1,800,000
Granted	120,000
Exercise price, lower limit	$ 1.17
Exercise price, upper limit	$ 1.34
Grant date fair value per share	$ 0.62
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	10 months 20 days
Unrecognized stock-based compensation expense	$ 1,188,000
Closing stock price	$ 1.14