Quarterly report pursuant to Section 13 or 15(d)

Revenue - Schedule of Disaggregated Revenue (Details)

v3.22.2.2
Revenue - Schedule of Disaggregated Revenue (Details) - USD ($)
3 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Disaggregation of Revenue [Line Items]    
Revenue $ 18,893,913 $ 19,430,995
Tuition    
Disaggregation of Revenue [Line Items]    
Revenue 16,295,410 17,121,680
Course fees    
Disaggregation of Revenue [Line Items]    
Revenue 2,116,079 2,003,340
Book fees    
Disaggregation of Revenue [Line Items]    
Revenue 0 27,759
Exam fees    
Disaggregation of Revenue [Line Items]    
Revenue 239,068 196,042
Service fees    
Disaggregation of Revenue [Line Items]    
Revenue $ 243,356 $ 82,174