XML 67 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Courseware and Accreditation - Narrative (Details) - USD ($)
12 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Courseware and Accreditation    
Finite-Lived Intangible Assets [Line Items]    
Courseware costs capitalized $ 13,851 $ 91,522