| Courseware and Accreditation (Schedule of Courseware, Net) (Details) - USD ($) | Jul. 31, 2018 | Apr. 30, 2018 | 
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible asset, gross | $ 9,366,667 | $ 9,641,667 | 
| Intangible asset, net | 165,705 | 138,159 | 
| Courseware [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible asset, gross | 317,632 | 298,064 | 
| Accumulated amortization | (175,277) | (159,905) | 
| Intangible asset, net | 165,705 | 138,159 | 
| Accreditation [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible asset, gross | $ 23,350 | 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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