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Related Party Transactions And Balances - Additional Information (Detail)
$ in Thousands, $ in Millions
9 Months Ended
Feb. 10, 2022
AUD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Feb. 10, 2022
USD ($)
Dec. 31, 2021
USD ($)
Grid Loan Agreement [Member]          
Related Party Transaction [Line Items]          
Loans receivable, related parties         $ 3,256
Atom [Member] | Convertible Promissory Note [Member]          
Related Party Transaction [Line Items]          
Convertible promissory note $ 1     $ 719  
Notes interest rate 12.00%     12.00%  
Percentage of ownership interest Aug. 10, 2023        
Balance of note including accrued interest   $ 721      
Employees          
Related Party Transaction [Line Items]          
Salary and benefits to employee   $ 85 $ 96