Reverse Takeover Transaction - Additional Information (Detail) - USD ($)		1 Months Ended
	Apr. 30, 2018	Jun. 30, 2018	Jun. 05, 2020
Reverse Takeover Transaction [Abstract]
Subscription receipts, gross	$ 65.1
Transaction costs	$ 4.0
Warrants Issued | shares	285,000		35,000
Strike Price	$ 7.75
Warrant Liability | $	$ 900,000
Voting Rights		consolidated its existing common shares on the basis of one Subordinate Voting Share for each 368 existing common shares of the Company.