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Note 2. Inventories: Schedule of Inventory (Details) (USD $)
May 31, 2013
Aug. 31, 2012
Details    
Parts and supplies $ 1,216,454 $ 1,180,428
Work-in-process 986,279 803,049
Finished goods 206,566 520,480
Inventory Reserve (100,000) (100,000)
Inventories, net $ 2,309,299 $ 2,403,957