Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Property and Equipment Useful Lives (Details)

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Significant Accounting Policies - Schedule of Property and Equipment Useful Lives (Details)
6 Months Ended
Oct. 31, 2020
Computer equipment and hardware  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Software  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Instructional equipment  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Furniture and fixtures  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 7 years
Leasehold improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 8 years