Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Summary of Stock Options Activity (Detail)

v3.20.2
Common Stock - Summary of Stock Options Activity (Detail)
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Number of Optioned Common Shares, Beginning Balance | shares 50,529
Number of Optioned Common Shares, Granted | shares 80,377
Number of Optioned Common Shares, Expired | shares (2)
Number of Optioned Common Shares, Forfeited | shares (1,409)
Number of Optioned Common Shares, Ending Balance | shares 129,495
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 200.96
Weighted Average Exercise Price, Granted | $ / shares 11.02
Expired | $ / shares 31,240.00
Weighted Average Exercise Price, Forfeited | $ / shares 268.69
Weighted Average Exercise Price, Ending Balance | $ / shares $ 81.66