Quarterly report pursuant to Section 13 or 15(d)

Share Capital - Summary of Warrants Outstanding (Detail)

v3.22.1
Share Capital - Summary of Warrants Outstanding (Detail) - $ / shares
Mar. 31, 2022
Dec. 31, 2021
Class of Warrant or Right [Line Items]    
Number outstanding 17,955 22,640
Weighted average exercise price $ 2.49 $ 3.56
Class Of Warrants Expire On 2022 [Member]    
Class of Warrant or Right [Line Items]    
Number outstanding 16,170 20,855
Weighted average exercise price $ 2.26 $ 3.47
Class Of Warrants Expire On 2023 [Member]    
Class of Warrant or Right [Line Items]    
Number outstanding 1,785 1,785
Weighted average exercise price $ 4.57 $ 4.57