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Income Taxes (Deferred Tax Asset Valuation Allowance Rollforward) (Details) (USD $)
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12 Months Ended | |
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Apr. 30, 2014
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Apr. 30, 2013
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| Income Taxes [Abstract] | ||
| Valuation allowance, beginning of year | $ (4,684,841) | $ (4,166,510) |
| (Increase) during period | (1,979,374) | (518,331) |
| Valuation allowance, ending balance | $ (6,664,215) | $ (4,684,841) |
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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