Annual report pursuant to Section 13 and 15(d)

Share Capital - Summary of Warrants Outstanding (Detail)

v3.22.0.1
Share Capital - Summary of Warrants Outstanding (Detail) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2019
Class of Warrant or Right [Line Items]      
Number outstanding 22,640 49,236  
Weighted average exercise price $ 3.56 $ 4.06 $ 1.97
Class Of Warrants Expire On 2021 [Member]      
Class of Warrant or Right [Line Items]      
Number outstanding 0 26,596  
Weighted average exercise price $ 0 $ 4.37  
Class Of Warrants Expire On 2022 [Member]      
Class of Warrant or Right [Line Items]      
Number outstanding 20,855 20,855  
Weighted average exercise price $ 3.47 $ 3.62  
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