Significant Accounting Policies (Narrative) (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Apr. 30, 2016 |
Apr. 30, 2015 |
|
| Cash and Cash Equivalents [Line Items] | ||
| Cash, FDIC insured amount | $ 250,000 | |
| Courseware, expected useful life | 5 years | |
| Amount of cash balance uninsured by FDIC | $ 1,224,863 | 2,191,791 |
| Restricted cash | 1,122,485 | |
| Marketing and promotional costs | 1,856,918 | $ 1,065,812 |
| Institution One [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| Amount of cash balance uninsured by FDIC | $ 1,224,863 | |
| Warrant [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| Antidilutive securities | 23,916,272 | 28,871,757 |
| Employee Stock Option [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| Antidilutive securities | 18,126,102 | 14,426,412 |
| Convertible Debt [Member] | ||
| Cash and Cash Equivalents [Line Items] | ||
| Antidilutive securities | 907,143 | 1,207,143 |
| Convertible debt | $ 350,000 | $ 650,000 |
| X | ||||||||||
- Definition Marketing and promotional costs. No definition available.
|
| 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://www.xbrl.org/2003/role/presentationRef
|
| 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.
|
| 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.
|
| 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.
|
| 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://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|