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Inventory - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Inventory [Line Items]        
Write-down of inventories $ 154,000 $ 252,000 $ 154,000 $ 444,000