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Summary of Operations and Significant Accounting Policies - Summary of Allowance for Doubtful Accounts (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Receivables [Abstract]      
Allowance for doubtful accounts, beginning balance $ 893,000 $ 460,000 $ 757,000
Charges to expense 98,000 462,000 193,000
Write-offs of uncollectible accounts, net of recoveries (106,000) (29,000) (490,000)
Allowance for doubtful accounts, ending balance $ 885,000 $ 893,000 $ 460,000