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4. Property, Plant and Equipment: Property, Plant and Equipment (Details) - USD ($)
6 Months Ended 12 Months Ended
Feb. 28, 2019
Aug. 31, 2018
Details    
Office equipment $ 473,702 $ 473,702
Warehouse equipment 1,245,137 1,313,714
Buildings and Improvements, Gross 4,072,741 4,090,527
Land 559,065 761,924
Property, Plant and Equipment, Gross 6,350,645 6,639,867
Accumulated depreciation property plant and equipment (3,560,694) (3,534,607)
Net book value $ 2,789,951 $ 3,105,260