Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

v3.20.1
Significant Accounting Policies (Details)
 3 Months Ended 9 Months Ended
Jan. 31, 2020
USD ($)
Jan. 31, 2019
USD ($)
Jan. 31, 2020
USD ($)
segment
shares
Jan. 31, 2019
USD ($)
shares
May 01, 2019
USD ($)
Apr. 30, 2019
USD ($)
Short-term Debt [Line Items]            
Cash, FDIC insured amount $ 250,000   $ 250,000      
Cash, uninsured amount 22,318,390   22,318,390     $ 9,359,208
Restricted cash 456,211 $ 192,692 456,211 $ 192,692   448,400
Proceeds from bank debt     $ 72,022      
Percentage of payments from monthly payment plan     65.00%      
Withdrawal from course, percentage of financial aid earned     100.00%      
Long term accounts receivable 6,067,234   $ 6,067,234     $ 3,085,243
Right of use lease asset 7,693,268   7,693,268   $ 8,800,000  
Lease liabilities 7,693,268   7,693,268   $ 8,800,000  
Marketing and promotional costs 2,539,755 2,322,998 $ 6,755,983 $ 6,759,065    
Antidilutive securities excluded from computation of earnings per share, amount | shares       3,651,448    
Number of reportable segments | segment     1      
Courseware and Accreditation            
Short-term Debt [Line Items]            
Finite-lived intangible asset, useful life     5 years      
Warrant            
Short-term Debt [Line Items]            
Antidilutive securities excluded from computation of earnings per share, amount | shares       678,521    
Unvested Restricted Stock            
Short-term Debt [Line Items]            
Antidilutive securities excluded from computation of earnings per share, amount | shares       0    
Convertible Debt            
Short-term Debt [Line Items]            
Antidilutive securities excluded from computation of earnings per share, amount | shares     4,167 4,167    
Convertible debt 50,000 $ 50,000 $ 50,000 $ 50,000    
Letter of Credit            
Short-term Debt [Line Items]            
Restricted cash 123,132   123,132      
Restricted cash, current $ 261,057   $ 261,057