Quarterly report pursuant to Section 13 or 15(d)

Summary of Opening and Closing Balances of Contract Liabilities (Detail)

v3.22.2.2
Summary of Opening and Closing Balances of Contract Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Revenue Recognition [Abstract]    
Undelivered elements (training, installation, product and support services) $ 366 $ 835
Extended warranty contracts 1,851 1,753
Total deferred revenue 2,217 2,588
Less long-term portion of deferred revenue (347) (329)
Deferred revenue — current $ 1,870 $ 2,259