Significant Accounting Policies - Patient Fees Receivable (Details) - USD ($) $ in Millions  | 
Dec. 31, 2023  | 
Dec. 31, 2022  | 
|---|---|---|
| Accounting Policies [Abstract] | ||
| Patient fees receivable | $ 0.7 | $ 0.8 | 
| X | ||||||||||
- Definition The carrying amount of clinic fees and insurance receivables, net due within one year or the normal operating cycle, if longer. No definition available. 
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| X | ||||||||||
- References No definition available. 
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