Segment Reporting - Summary of Revenue (Details) - 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 net revenue	$ 62,808	$ 57,384	$ 185,046	$ 165,641
Total product revenue
Disaggregation of Revenue [Line Items]
Total net revenue	56,540	50,694	167,195	146,056
Systems
Disaggregation of Revenue [Line Items]
Total net revenue	40,985	32,191	121,152	96,079
Consumables
Disaggregation of Revenue [Line Items]
Total net revenue	6,119	3,684	15,320	11,040
Skincare
Disaggregation of Revenue [Line Items]
Total net revenue	9,436	14,819	30,723	38,937
Service
Disaggregation of Revenue [Line Items]
Total net revenue	6,268	6,690	17,851	19,585
United States
Disaggregation of Revenue [Line Items]
Total net revenue	28,074	22,737	79,290	64,553
Japan
Disaggregation of Revenue [Line Items]
Total net revenue	15,263	19,335	47,940	53,311
Asia, excluding Japan
Disaggregation of Revenue [Line Items]
Total net revenue	6,166	3,790	14,881	9,869
Europe
Disaggregation of Revenue [Line Items]
Total net revenue	4,711	3,651	14,827	12,703
Rest of the World, other than United States, Asia and Europe
Disaggregation of Revenue [Line Items]
Total net revenue	$ 8,594	$ 7,871	$ 28,108	$ 25,205