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13. Segment Information: Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Details) - USD ($)
 6 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Details    
United States sales $ 18,635,193 $ 20,857,137
Canada sales 866,057 611,644
Mexico/Latin America sales 362,556 1,601,811
Europe sales 12,408  
Asia/Pacific sales $ 44,875 $ 59,049