REVENUE - Summary of Revenue Disaggregated by Types and Geography (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 26,490	$ 19,177	$ 67,515	$ 49,732
Product
Disaggregation Of Revenue [Line Items]
Total revenue	20,865	14,126	50,748	36,422
Service
Disaggregation Of Revenue [Line Items]
Total revenue	5,507	4,933	16,411	12,954
Distribution rights
Disaggregation Of Revenue [Line Items]
Total revenue	118	118	356	356
U.S.
Disaggregation Of Revenue [Line Items]
Total revenue	13,693	8,892	30,436	28,801
U.S. | Product
Disaggregation Of Revenue [Line Items]
Total revenue	10,495	6,097	20,956	21,304
U.S. | Service
Disaggregation Of Revenue [Line Items]
Total revenue	3,198	2,795	9,480	7,497
Outside of U.S. ("OUS")
Disaggregation Of Revenue [Line Items]
Total revenue	12,797	10,285	37,079	20,931
Outside of U.S. ("OUS") | Product
Disaggregation Of Revenue [Line Items]
Total revenue	10,370	8,029	29,792	15,118
Outside of U.S. ("OUS") | Service
Disaggregation Of Revenue [Line Items]
Total revenue	2,309	2,138	6,931	5,457
Outside of U.S. ("OUS") | Distribution rights
Disaggregation Of Revenue [Line Items]
Total revenue	$ 118	$ 118	$ 356	$ 356