Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Summary of Stock Options Activity (Detail)

v3.21.2
Common Stock - Summary of Stock Options Activity (Detail)
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Number of Optioned Common Shares, Beginning Balance | shares 227,442
Number of Optioned Common Shares, Granted | shares 249,650
Number of Optioned Common Shares, Expired | shares (2)
Number of Optioned Common Shares, Ending Balance | shares 477,090
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 44.64
Weighted Average Exercise Price, Granted | $ / shares 12.92
Weighted Average Exercise Price, Expired | $ / shares 39,204.00
Weighted Average Exercise Price, Ending Balance | $ / shares $ 27.88