Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Summary of Opening and Closing Balances of Contract Liabilities (Detail)

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Revenue Recognition - Summary of Opening and Closing Balances of Contract Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Revenue Recognition [Abstract]    
Undelivered elements (training and installation) $ 407 $ 449
Extended warranty contracts 1,911 2,259
Total deferred revenue 2,318 2,708
Less: long-term portion of deferred revenue (186) (256)
Deferred revenue — current $ 2,132 $ 2,452