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Quarterly report pursuant to Section 13 or 15(d)

Revenues (Details)

v3.20.2
Revenues (Details) - USD ($)
3 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Apr. 30, 2020
Disaggregation of Revenue [Line Items] Ìý Ìý Ìý
Deferred revenue $ 4,766,853 Ìý $ 3,712,994
Due to students 1,891,502 Ìý $ 2,371,844
Total revenue earned, deferred revenue $ 3,700,000 Ìý Ìý
Revenue Benchmark | Non-US Ìý Ìý Ìý
Disaggregation of Revenue [Line Items] Ìý Ìý Ìý
Percentage of revenues from students outside the United States 1.27% 1.48% Ìý