Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Tax at U.S. statutory rates	$ 128,000	$ 138,000
Permanent differences	2,000	1,000
Stock option compensation	11,000	11,000
Effect of higher foreign tax rates in Canada	47,000	52,000
Effect of research tax credits claims filed in respect of prior years	(361,000)	29,000
Effect of a change in statutory tax rates	0	443,000
Foreign exchange and other adjustments	(73,000)	190,000
Recovery of previously unrecognized tax assets	0	(233,000)
Change in valuation allowance	246,000	(631,000)
Provision for deferred income taxes	$ 0	$ 0