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Organization and Summary of Accounting Policies - Schedule of Revenues by Service Type (Details) - Revenue Source - Revenue	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue from External Customer [Line Items]
Revenue by service type as a proportion of total revenues (as a percent)	100.00%	100.00%
Patent service revenues
Revenue from External Customer [Line Items]
Revenue by service type as a proportion of total revenues (as a percent)	98.50%	98.60%
Surgical Facility Services
Revenue from External Customer [Line Items]
Revenue by service type as a proportion of total revenues (as a percent)	96.00%	95.70%
Ancillary Services
Revenue from External Customer [Line Items]
Revenue by service type as a proportion of total revenues (as a percent)	2.50%	2.90%
Other service revenues
Revenue from External Customer [Line Items]
Revenue by service type as a proportion of total revenues (as a percent)	1.50%	1.40%

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