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Accounts receivable - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Trade and other receivables [abstract]    
Accounts receivable balance non-interest bearing and payment terms 180 days  
Percentage of customer balance account receivable 24.00% 15.00%
Accounts receivable in aggregate amount $ 6,700,000 $ 5,400,000
Long-term lease receivables 0 0
Net lease receivables $ 100,000 $ 200,000