Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan - Schedule of Information Regarding Restricted Stock Activity (Detail)

v3.20.4
Stock Incentive Plan - Schedule of Information Regarding Restricted Stock Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Outstanding Shares, Beginning Balance 107,990  
Outstanding Shares, Ending Balance 107,990 107,990
Weighted Average Grant Date Fair Value, Beginning Balance $ 1.85  
Weighted Average Grant Date Fair Value, Ending Balance $ 1.85 $ 1.85
Weighted Average Contractual Life Remaining 8 months 12 days 1 year 8 months 1 day
Aggregate Intrinsic Value $ 112 $ 156