Commitments (Details Narrative) - CAD ($)	Aug. 31, 2020	Aug. 31, 2019
Disclosure Commitments Details Narrative Abstract
Unapaid license fees, accrual	$ 329,000	$ 680,000
Unpaid license fees, potential penalty	$ 110,000	$ 211,000

The amount of potential penalty related to unpaid license fees.

No definition available.

Name:	trx_UnpaidLicenseFeesPotentialPenalty
Namespace Prefix:	trx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant