Revenue Recognition - Disaggregation of Revenue by Timing of Revenue Recognition (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 21,194	$ 16,803
Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	16,880	15,147
Over Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 4,314	$ 1,656

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details