Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Narrative (Details)

v3.21.2
Significant Accounting Policies - Narrative (Details)
 3 Months Ended
Jul. 31, 2021
USD ($)
segment
shares
Apr. 30, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Jul. 31, 2020
USD ($)
shares
Short-term Debt [Line Items]        
Restricted cash | $ $ 3,722,831 $ 5,152,789   $ 3,060,269
Cash, uninsured amount | $ $ 9,732,634 13,005,537    
Exercisable number of options (in shares) | shares 1,141,396      
Number of reportable segments | segment 1      
Collateral Pledged, Aspen University Letter of Credit        
Short-term Debt [Line Items]        
Restricted cash | $ $ 934,125 934,125    
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 | $ $ 2,528,834 $ 3,958,792    
Stock Incentive Plan and Stock Option Grants to Employees and Directors        
Short-term Debt [Line Items]        
Exercisable number of options (in shares) | shares 1,141,396 1,032,411    
Restricted Stock Units (RSUs)        
Short-term Debt [Line Items]        
Unvested shares of restricted common stock outstanding (in shares) | shares 653,937 549,972    
Warrant        
Short-term Debt [Line Items]        
Exercisable number of options (in shares) | shares 374,174      
Exercisable awards (in shares) | shares 374,174 374,174    
Restricted Stock        
Short-term Debt [Line Items]        
Unvested shares of restricted common stock outstanding (in shares) | shares 8,224 8,224   16,448