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USU Goodwill and Intangibles (Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($)
1 Months Ended
Dec. 31, 2017
Apr. 30, 2019
Apr. 30, 2018
Business Acquisition [Line Items]      
Goodwill   $ 5,011,432 $ 5,011,432
Educacion Significativa, LLC [Member]      
Business Acquisition [Line Items]      
Cash and cash equivalents    
Current assets acquired 244,465    
Other assets acquired 176,667    
Goodwill 5,011,432    
Less: Current liabilities assumed (727,601)    
Total purchase price 14,804,963    
Educacion Significativa, LLC [Member] | Trademarks and Trade Names [Member]      
Business Acquisition [Line Items]      
Intangible assets 1,700,000    
Educacion Significativa, LLC [Member] | Student Relationships [Member]      
Business Acquisition [Line Items]      
Intangible assets $ 2,000,000    
Useful Life 2 years    
Educacion Significativa, LLC [Member] | Curriculum [Member]      
Business Acquisition [Line Items]      
Intangible assets $ 200,000    
Useful Life 1 year    
Educacion Significativa, LLC [Member] | Accreditation and Regulatory Approvals [Member]      
Business Acquisition [Line Items]      
Intangible assets $ 6,200,000