Quarterly report pursuant to Section 13 or 15(d)

Summary of Revenues Disaggregated by Timing of Goods and Services Transferred (Detail)

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Summary of Revenues Disaggregated by Timing of Goods and Services Transferred (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation Of Revenue [Line Items]        
Net revenue $ 9,134 $ 2,938 $ 17,250 $ 7,721
Revenue Recognized Over Time        
Disaggregation Of Revenue [Line Items]        
Net revenue 1,056 985 2,115 2,006
Revenue Recognized at a Point in Time        
Disaggregation Of Revenue [Line Items]        
Net revenue $ 8,078 $ 1,953 $ 15,135 $ 5,715