Significant Accounting Policies (Details) |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
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Oct. 31, 2019
USD ($)
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Oct. 31, 2018
USD ($)
|
Oct. 31, 2019
USD ($)
segment
shares
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Oct. 31, 2018
USD ($)
shares
|
May 01, 2019
USD ($)
|
Apr. 30, 2019
USD ($)
|
|
| Short-term Debt [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Cash, FDIC insured amount | $ 250,000 | Ìý | $ 250,000 | Ìý | Ìý | Ìý |
| Cash, uninsured amount | 6,352,050 | Ìý | 6,352,050 | Ìý | Ìý | $ 9,359,208 |
| Proceeds from bank debt | Ìý | Ìý | $ 71,932 | Ìý | Ìý | Ìý |
| Percentage of payments from monthly payment plan | Ìý | Ìý | 66.00% | Ìý | Ìý | Ìý |
| Withdrawal from course, percentage of financial aid earned | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý |
| Long term accounts receivable | 5,490,733 | Ìý | $ 5,490,733 | Ìý | Ìý | $ 3,085,243 |
| Right of use lease asset | 7,953,283 | Ìý | 7,953,283 | Ìý | $ 8,800,000 | Ìý |
| Lease liabilities | 7,953,283 | Ìý | 7,953,283 | Ìý | $ 8,800,000 | Ìý |
| Marketing and promotional costs | 2,006,989 | $ 2,248,611 | $ 4,216,227 | $ 4,436,067 | Ìý | Ìý |
| Antidilutive securities excluded from computation of earnings per share, amount | shares | Ìý | Ìý | 3,021,131 | 3,435,616 | Ìý | Ìý |
| Number of reportable segments | segment | Ìý | Ìý | 1 | Ìý | Ìý | Ìý |
| Warrant | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Short-term Debt [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Antidilutive securities excluded from computation of earnings per share, amount | shares | Ìý | Ìý | 566,223 | 650,847 | Ìý | Ìý |
| Unvested Restricted Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Short-term Debt [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Antidilutive securities excluded from computation of earnings per share, amount | shares | Ìý | Ìý | 69,672 | 0 | Ìý | Ìý |
| Convertible Debt | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Short-term Debt [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Antidilutive securities excluded from computation of earnings per share, amount | shares | Ìý | Ìý | 4,167 | 4,167 | Ìý | Ìý |
| Convertible debt | 50,000 | $ 50,000 | $ 50,000 | $ 50,000 | Ìý | Ìý |
| Letter of Credit | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Short-term Debt [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted cash | 122,262 | Ìý | 122,262 | Ìý | Ìý | Ìý |
| Restricted cash, current | $ 260,094 | Ìý | $ 260,094 | Ìý | Ìý | Ìý |
| X | ||||||||||
- Definition Marketing and promotional costs. No definition available.
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| X | ||||||||||
- Definition Percentage of Payments from Monthly Payment Plan No definition available.
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| X | ||||||||||
- Definition Withdrawal from Course, Percentage of Financial Aid Earned No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. No definition available.
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| X | ||||||||||
- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
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| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The cash inflow from bank borrowing during the year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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