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12. Segment Information: Schedule of sales by country (Details) - USD ($)
12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Details    
United States sales $ 43,894,726 $ 52,050,260
Canada sales 1,243,239 1,429,265
Mexico/Latin America/Caribbean sales 180,664 192,539
Europe sales 43,851 42,224
Asia/Pacific sales 83,882 196,655
Middle east sales $ 0 $ 12,209