Revenue Recognition - Schedule of Revenues Recognized for Each Revenue Stream (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 revenue	$ 41,970	$ 35,567	$ 120,472	$ 101,860
Pellet Procedures Product Revenue
Disaggregation of Revenue [Line Items]
Total revenue	32,981	28,090	96,247	80,941
Dietary Supplements
Disaggregation of Revenue [Line Items]
Total revenue	8,066	6,803	21,719	19,023
Disposable Trocars Product Revenue
Disaggregation of Revenue [Line Items]
Total revenue	509	220	1,110	633
Shipping Fees Product Revenue
Disaggregation of Revenue [Line Items]
Total revenue	18	6	45	22
Product Revenue
Disaggregation of Revenue [Line Items]
Total revenue	41,574	35,119	119,121	100,619
Training Service Revenue
Disaggregation of Revenue [Line Items]
Total revenue	186	212	707	528
Contract-Term Services Revenue
Disaggregation of Revenue [Line Items]
Total revenue	210	236	644	713
Service Revenue
Disaggregation of Revenue [Line Items]
Total revenue	$ 396	$ 448	$ 1,351	$ 1,241