Summary of Significant Accounting Policies (Tables)	12 Months Ended
Aug. 31, 2019
Statements [Line Items]
Disclosure of detailed information about estimated useful life or depreciation rate [Table Text Block]	Airstrip - 8% on a declining balance basis Building - straight line basis over its estimated useful life Computer and office equipment - 25% to 33 1/3% on a declining balance basis Exploration equipment - 30% on a declining balance basis Leasehold improvements - straight line basis over the shorter of the term of the lease and useful life

Disclosure of detailed information about estimated useful life or depreciation rate

No definition available.

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