Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

v3.20.2
Significant Accounting Policies (Details)
3 Months Ended 12 Months Ended
Jul. 31, 2020
USD ($)
segment
shares
Jul. 31, 2019
USD ($)
Apr. 30, 2020
USD ($)
shares
May 01, 2019
USD ($)
Short-term Debt [Line Items]        
Restricted cash $ 3,060,269 $ 452,021 $ 3,556,211  
Proceeds from bank debt     71,828  
Cash, uninsured amount $ 18,075,181   16,742,603  
Percentage of payments from monthly payment plan 64.00%      
Withdrawal from course, percentage of financial aid earned 100.00%      
Long term accounts receivable $ 8,713,018   6,701,136  
Operating lease right of use asset, net 7,264,584   $ 6,412,851 $ 8,000,000
Lease liabilities 8,220,320     $ 8,000,000
Marketing and promotional costs $ 2,790,810 $ 2,209,239    
Outstanding (in shares) | shares 2,314,036   2,734,899  
Number of reportable segments | segment 1      
Software        
Short-term Debt [Line Items]        
Property, plant and equipment, useful life 5 years      
Leasehold improvements | Maximum        
Short-term Debt [Line Items]        
Property, plant and equipment, useful life 8 years      
Restricted Stock Units (RSUs)        
Short-term Debt [Line Items]        
Unvested shares of restricted common stock outstanding (in shares) | shares 801,468   643,175  
Unvested Restricted Stock        
Short-term Debt [Line Items]        
Unvested shares of restricted common stock outstanding (in shares) | shares 16,448   24,672  
Courseware, net        
Short-term Debt [Line Items]        
Finite-lived intangible asset, useful life 5 years      
Warrant        
Short-term Debt [Line Items]        
Outstanding (in shares) | shares 374,174   566,223  
Convertible Debt        
Short-term Debt [Line Items]        
Convertible debt $ 10,000,000   $ 10,000,000  
Antidilutive securities excluded from computation of earnings per share, amount | shares 1,398,602   1,398,602  
Letter of Credit        
Short-term Debt [Line Items]        
Restricted cash $ 1,365,384   $ 692,293  
Proceeds from bank debt 255,708   255,708  
Restricted cash, current $ 1,439,177   $ 2,536,382