INDIRECT PRODUCTION (Narrative) (Details) - CAD ($) $ in Thousands	12 Months Ended
Aug. 31, 2019	Aug. 31, 2018
Write-downs (reversals of write-downs) of inventories [abstract]
Indirect Production	$ 4,733	$ 1,289

The production cost of late-stage biological assets that are disposed of, inventory that does not pass the Company's quality assurance standards, and obsolete packaging are expensed to indirect production was recorded as indirect production.

No definition available.

Name:	ogi_IndirectProduction
Namespace Prefix:	ogi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration