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Earnings per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Earnings Per Share [Abstract]    
Net (Loss) Income, Basic $ 2,098 $ (2,316)
Net (Loss) Income, Diluted $ 2,098 $ (2,316)
Weighted Average Number of Shares Outstanding, Basic 1,992,077 1,994,425
Weighted Average Number of Shares Outstanding, Options 752,085  
Weighted Average Number of Shares Outstanding, Diluted 2,744,162 1,994,425
Per Share Amount, Basic $ 1.05 $ (1.16)
Per Share Amount, Diluted $ 0.76 $ (1.16)