Revenues (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Jul. 31, 2020 |
Jul. 31, 2019 |
Apr. 30, 2020 |
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| Disaggregation of Revenue [Line Items] | |||
| Deferred revenue | $ 4,766,853 | $ 3,712,994 | |
| Due to students | 1,891,502 | $ 2,371,844 | |
| Total revenue earned, deferred revenue | $ 3,700,000 | ||
| Revenue Benchmark | Non-US | |||
| Disaggregation of Revenue [Line Items] | |||
| Percentage of revenues from students outside the United States | 1.27% | 1.48% | |
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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