Summary of Significant Accounting Policies - Stock-Based Compensation (Details Narrative) - USD ($) |
12 Months Ended | |
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Apr. 30, 2015 |
Apr. 30, 2014 |
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| Summary of Significant Accounting Policies (Textual) [Abstract] | ||
| Stock-based compensation expense | $ 14,000 | $ 43,000 |
| Options completing vesting | 12,500 | |
| Total unrecognized compensation costs related to stock options | $ 0 | |
| Shares authorized for future grant under the Company's stock option plans | 258,333 | |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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| X | ||||||||||
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of options vested. No definition available.
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