Quarterly report pursuant to Section 13 or 15(d)

Summary of Option Activity (Detail)

v3.22.2.2
Summary of Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Equity [Abstract]    
Beginning Balance 70,000  
Forfeited, cancelled, or expired (18,000)  
Ending Balance 52,000 70,000
Options exercisable at September 30, 2022 50,000  
Vested options expired during the period ended September 30, 2022 0  
Beginning Balance $ 62.01  
Forfeited, cancelled, or expired 22.82  
Ending Balance 74.95 $ 62.01
Options exercisable at September 30, 2022 77.50  
Vested options expired during the period ended September 30, 2022 $ 0  
Weighted-Average Remaining Contractual Term (Years)    
Options outstanding 6 years 7 years 1 month 6 days
Options exercisable 5 years 10 months 24 days  
Options outstanding [1] $ 0 $ 15
Options exercisable [1] $ 0  
[1] The intrinsic value calculation does not include negative values, which can occur when the fair market value on the reporting date is less than the exercise price of the award.