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