Summary of Sales by End Market (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Net revenue	$ 10,166	$ 8,116
End-customer
Disaggregation Of Revenue [Line Items]
Net revenue	6,978	5,221
Distributors
Disaggregation Of Revenue [Line Items]
Net revenue	$ 3,188	$ 2,895