Warrant Liability - Schedule of Warrants (Parenthetical) (Details)	Jan. 31, 2020 shares
Warrants Expired
Disclosure Of Classes Of Share Capital [Line Items]
Warrants expired unexercised shares	7,532,348

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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