3. Inventory (Details) - USD ($)	May 31, 2018		Aug. 31, 2017
Details
Wood products and metal products	$ 7,142,278		$ 8,184,921
Industrial tools	392,728		434,871
Agricultural seed products	178,004		187,753
Inventory, net of allowance of $117,906 (August 31, 2017 - $156,713)	$ 7,713,010	[1]	$ 8,807,545

[1] Note 3