Quarterly report pursuant to Section 13 or 15(d)

Summary of Option Activity (Detail)

v3.23.1
Summary of Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Equity [Abstract]    
Beginning Balance 52,000  
Forfeited, cancelled, or expired 0  
Ending Balance 52,000 52,000
Options exercisable at March 31, 2022 50,000  
Vested options expired during the period ended March 31, 2022 0  
Beginning Balance $ 74.95  
Forfeited, cancelled, or expired 237.92  
Ending Balance 74.20 $ 74.95
Options exercisable at March 31, 2022 75.98  
Vested options expired during the period ended March 31, 2022 $ 0  
Weighted-Average Remaining Contractual Term (Years)    
Options outstanding 5 years 6 months 5 years 9 months 18 days
Options exercisable 5 years 4 months 24 days  
Options outstanding [1] $ 0 $ 0
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.