Quarterly report pursuant to Section 13 or 15(d)

Share Capital - Summary of Warrants Activity (Detail)

v3.21.2
Share Capital - Summary of Warrants Activity (Detail) - Warrants [Member]
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]  
Warrants outstanding units beginning balance | shares 49,236
Warrants outstanding units granted | shares 0
Warrants outstanding units exercised | shares 0
Warrants outstanding units expired | shares (26,577)
Warrants outstanding units ending balance | shares 22,659
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Weighted average exercise price beginning balance | $ / shares $ 4.06
Weighted average exercise price granted | $ / shares
Weighted average exercise price exercised | $ / shares
Warrants Outstanding Weighted Average Exercise Price, Expired | $ / shares 4.21
Weighted average exercise price ending balance | $ / shares $ 3.57