Quarterly report pursuant to Section 13 or 15(d)

USU Goodwill and Intangibles - Narrative (Details)

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USU Goodwill and Intangibles - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2020
Oct. 31, 2019
Apr. 30, 2020
Goodwill [Line Items]          
Goodwill $ 5,011,432   $ 5,011,432   $ 5,011,432
Educacion Significativa, LLC          
Goodwill [Line Items]          
Amortization expense $ 0 $ 275,000 $ 0 $ 550,000