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Acquisitions and Sale of Non-Controlling Interests (Details)
12 Months Ended
Feb. 27, 2020
Partnership
Dec. 31, 2021
USD ($)
Clinic
Partnership
Dec. 31, 2020
USD ($)
Partnership
Clinic
Installment
Dec. 31, 2019
USD ($)
Partnership
Jun. 30, 2021
Mar. 31, 2021
Nov. 30, 2020
Business Combination, Description [Abstract]              
Number of partnerships in which interest acquired | Partnership   5 5 4      
Purchase price for additional non controlling interest   $ 1,300,000 $ 300,000        
Cash proceeds from sale of non-controlling interest   $ 100,000 $ 100,000        
Number of closed clinics sold | Clinic   2 14        
Aggregate sale price of clinics   $ 100,000 $ 1,100,000        
Cash received related to sale of closed clinics     700,000        
Note receivable related to sale of closed clinics     $ 400,000        
Number of installments for note receivable | Installment     2        
Sale of non-controlling interest percentage in partnership one       1.00%      
Tax effect on sale price       $ 196,000      
Clinic Practice [Member]              
Business Combination, Description [Abstract]              
Number of partnerships in which interest acquired | Partnership 4            
Percentage of interest acquired 65.00% 75.00%     65.00% 70.00% 75.00%
Clinic Practice [Member] | Minimum [Member]              
Business Combination, Description [Abstract]              
Percentage of interest acquired 10.00% 5.00% 20.00% 1.00%      
Clinic Practice [Member] | Maximum [Member]              
Business Combination, Description [Abstract]              
Percentage of interest acquired 83.80% 35.00% 35.00% 20.00%