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Significant Risks and Uncertainties Including Business and Credit Concentrations (Tables)
9 Months Ended
Sep. 30, 2022
Risks and Uncertainties [Abstract]  
Summary of Concentration Risk
The concentration of net revenue on a percentage basis for major payors for the three and nine months ended September 30, 2022 and 2021 are as follows:

Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
Percentage of Net Revenue: 
Payor A12 %16 %14 %17 %
Payor B15 %15 %16 %14 %
The concentration of gross receivables on a percentage basis for major payors at September 30, 2022 and December 31, 2021 are as follows:
September 30, 2022December 31, 2021
Percentage of Gross Receivables: 
Payor B15 %19 %
Payor C11 %14 %
The concentration of cost of sales on a percentage basis for major vendors for the three and nine months ended September 30, 2022 and 2021 are as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2022202120222021
Percentage of Cost of Sales: 
Vendor A97 %53 %69 %51 %
Vendor BN/A46 %29 %48 %
The concentration of gross payables on a percentage basis for major payors at September 30, 2022 and December 31, 2021 are as follows:
September 30, 2022December 31, 2021
Percentage of Gross Payables:
Vendor A72 %39 %
Vendor BN/A47 %