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Intangible Assets - Schedule of Changes in Computer Software Developed (Detail) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]    
Carrying amount $ 2,493,000  
Computer Software [Member]    
Finite Lived Intangible Assets [Line Items]    
Carrying amount 2,493,000 $ 0
Amortization of intangible assets $ 0