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
Mar. 31, 2024
Dec. 31, 2023
Revenue Recognition [Abstract]    
Undelivered elements (training, installation, product and support services) $ 406 $ 449
Extended warranty contracts 2,160 2,259
Total deferred revenue 2,566 2,708
Less long-term portion of deferred revenue (223) (256)
Deferred revenue — current $ 2,343 $ 2,452