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Summary of Significant Accounting Policies - Stock-Based Compensation (Details Narrative) (USD $)
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12 Months Ended | ||
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Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2011
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| Summary of Significant Accounting Policies (Textual) [Abstract] | |||
| Stock-based compensation expense | $ 231,000 | $ 451,000 | $ 610,000 |
| Options completing vesting | 29,583 | ||
| Total unrecognized compensation costs related to stock options | $ 55,000 | ||
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- Details
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- Definition
Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- 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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- Definition
Number of options vested. No definition available.
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