Revenue Recognition - Summary of Consideration Allocated to Performance Obligations (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Deferred revenue, current	$ 2,876	$ 3,002
Deferred revenue, net of current portion	1,426	1,322
Unsatisfied Training Obligations
Disaggregation of Revenue [Line Items]
Deferred revenue, current	174	151
Unsatisfied Contract-term Services
Disaggregation of Revenue [Line Items]
Deferred revenue, current	1,780	1,583
Deferred revenue, net of current portion	996	935
Total Deferred Revenue	2,776	2,518
Unsatisfied Pellet Procedures
Disaggregation of Revenue [Line Items]
Deferred revenue, current	922	940
Deferred revenue, net of current portion	430	387
Total Deferred Revenue	$ 1,352	1,327
Unsatisfied Dietary Supplements
Disaggregation of Revenue [Line Items]
Deferred revenue, current		$ 328