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Note 1: Organization and Significant Accounting Policies: Warranty Reserve (Details) (USD $)
12 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2010
Accrued Warranty Reserve $ 24,261 $ 28,867  
Warranty Expense $ 43,334 $ 34,303 $ 28,509