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4. Property, Plant and Equipment: Property, Plant and Equipment (Details) - USD ($)
Nov. 30, 2019
Aug. 31, 2019
Details    
Office equipment $ 487,684 $ 486,038
Warehouse equipment 1,277,049 1,265,532
Buildings 4,088,328 4,072,741
Land 559,065 559,065
Property, Plant and Equipment, Gross 6,412,126 6,383,376
Accumulated depreciation property plant and equipment (3,703,982) (3,655,970)
Net book value $ 2,708,144 $ 2,727,406