4. Property, Plant and Equipment: Property, Plant and Equipment (Details) - USD ($)	Aug. 31, 2017		Aug. 31, 2016		Aug. 31, 2015
Details
Office equipment	$ 561,090		$ 615,031
Warehouse equipment	1,290,838		1,498,960
Buildings and Improvements, Gross	4,097,438		3,697,100
Land	761,924		761,924
Property, Plant and Equipment, Gross	6,711,290		6,573,015
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(3,488,718)		(3,618,420)
Property, plant and equipment, net	$ 3,222,572	[1]	$ 2,954,595	[1]	$ 2,231,711

[1] Note 4