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Courseware and Accreditation -Schedule of Amortization Expense of Courseware and Accreditation (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Courseware, net        
Finite-Lived Intangible Assets [Line Items]        
Amortization expense $ 21,744 $ 10,255 $ 58,877 $ 32,718