PRIOR PERIOD RECLASSIFICATION (Narrative) (Details) $ in Thousands	12 Months Ended
Aug. 31, 2018 CAD ($)
Prior Period Reclassification [Abstract]
Shipping expenses reclassified from sales and marketing expenses to cost of sales	$ 866

Represents amount of Shipping expenses reclassified from sales and marketing expenses to cost of sales.

No definition available.

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