Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

v3.21.2
Significant Accounting Policies (Details)
6 Months Ended
Oct. 31, 2021
USD ($)
segment
shares
Apr. 30, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Short-term Debt [Line Items]      
Restricted cash | $ $ 1,433,397 $ 1,193,997  
Cash, uninsured amount | $ $ 11,765,690 13,005,537  
Outstanding (in shares) | shares 992,050    
Number of reportable segments | segment 1    
Collateral Pledged, Aspen University Letter of Credit      
Short-term Debt [Line Items]      
Restricted cash | $ $ 1,173,525 934,125  
Collateral Pledged, Bank Letter of Credit      
Short-term Debt [Line Items]      
Restricted cash | $ 9,872 9,872 $ 369,473
Secured Credit Line      
Short-term Debt [Line Items]      
Restricted cash | $ $ 250,000 250,000  
Unbilled Educational Services      
Short-term Debt [Line Items]      
Restricted cash | $   $ 3,958,793  
Stock Incentive Plan and Stock Option Grants to Employees and Directors      
Short-term Debt [Line Items]      
Outstanding (in shares) | shares 992,050 1,214,473  
Restricted Stock Units (RSUs)      
Short-term Debt [Line Items]      
Unvested shares of restricted common stock outstanding (in shares) | shares 899,103 549,972  
Warrant      
Short-term Debt [Line Items]      
Outstanding (in shares) | shares 449,174    
Exercisable awards (in shares) | shares 424,174 374,174  
Restricted Stock      
Short-term Debt [Line Items]      
Unvested shares of restricted common stock outstanding (in shares) | shares 8,224 8,224