USU Goodwill and Intangibles - Schedule of Intangible Assets (Details) - USD ($)  | 
Apr. 30, 2020  | 
Apr. 30, 2019  | 
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| Goodwill and Intangible Assets Disclosure [Abstract] | Ìý | Ìý | 
| Finite-lived intangible assets, gross | $ 10,100,000 | $ 10,100,000 | 
| Accumulated amortization | (2,200,000) | (1,558,333) | 
| Total | $ 7,900,000 | $ 8,541,667 | 
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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://www.xbrl.org/2003/role/disclosureRef 
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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 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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- References No definition available. 
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