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Equity investment (Tables)
 12 Months Ended
Dec. 31, 2019
Investments Debt And Equity Securities [Abstract]  
Summary of Results of Operations of the TSA Equity Investment The results of operations of the TSA equity investment, up to the date control was obtained by CRH, is presented below.

 

Results of operations

 

Ten months ended

October 31, 2019

 

Anesthesia revenue

 

$

4,169,162

 

Anesthesia services expense

 

 

1,514,704

 

Net income

 

$

2,654,458