Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details) - Schedule of net revenues and percentages by type of customer

v3.22.0.1
Revenue Recognition (Details) - Schedule of net revenues and percentages by type of customer - Clinical Services [Member] - USD ($)
3 Months Ended 6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Revenue category        
Revenue services net $ 23,674 $ 23,988    
Revenue services net, percentage 100.00% 100.00%    
Revenue category        
Revenue services net     $ 43,415 $ 45,211
Revenue services net, percentage     100.00% 100.00%
Third-party payer [Member]        
Revenue category        
Revenue services net $ 14,256 $ 15,023    
Revenue services net, percentage 60.00% 63.00%    
Revenue category        
Revenue services net     $ 26,145 $ 27,503
Revenue services net, percentage     60.00% 61.00%
Medicare [Member]        
Revenue category        
Revenue services net $ 2,784 $ 3,910    
Revenue services net, percentage 12.00% 16.00%    
Revenue category        
Revenue services net     $ 5,514 $ 7,313
Revenue services net, percentage     13.00% 16.00%
Patient self-pay [Member]        
Revenue category        
Revenue services net $ 2,605 $ 1,997    
Revenue services net, percentage 11.00% 8.00%    
Revenue category        
Revenue services net     $ 4,550 $ 4,556
Revenue services net, percentage     10.00% 10.00%
HMOs [Member]        
Revenue category        
Revenue services net $ 4,029 $ 3,058    
Revenue services net, percentage 17.00% 13.00%    
Revenue category        
Revenue services net     $ 7,206 $ 5,839
Revenue services net, percentage     17.00% 13.00%