Quarterly report pursuant to Section 13 or 15(d)

Revenue (Schedule of Disaggregated Revenue) (Details)

v3.19.2
Revenue (Schedule of Disaggregated Revenue) (Details) - USD ($)
 3 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Disaggregation of Revenue [Line Items]    
Revenue $ 10,357,982 $ 7,221,305
Tuition [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 9,290,952 6,633,840
Course Fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 925,954 461,211
Book Fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 20,785 24,214
Exam Fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue 60,100 52,240
Service Fees [Member]    
Disaggregation of Revenue [Line Items]    
Revenue $ 60,191 $ 49,800