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Stock Option - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Arrangement Cash Payment For Stock Options Cancellation and Termination $ 969    
2015 Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options granted     558,835
Stock option issued, exercise price     $ 0.21386
Value of the option at the date of grant   $ 0.07  
Options granted, life   7 years  
Options granted, risk free interest rate   2.01%  
Options granted, expected volatility   157.10%