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Description of Business and Significant Accounting Policies - Liquidity and Basis of Presentation (Details Narrative) (USD $)
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3 Months Ended | 12 Months Ended | |||
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Jul. 31, 2013
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Jul. 31, 2012
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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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| Description Of Business And Significant Accounting Policies - Liquidity And Basis Of Presentation Details Narrative | |||||
| Net loss | $ (881,630) | $ (975,717) | $ (4,625,000) | $ (3,259,000) | $ (4,634,000) |
| Liquidity disclosure | Management projects the Company currently has sufficient cash and borrowing availability to last into the fiscal 2014’s second quarter. The Company intends to raise additional capital through bank financing and the sale of equity and/or debt securities in the current fiscal year second quarter, which should provide sufficient cash and borrowing availability into fiscal 2014’s fourth quarter. | Management believes that the aggregate $3,500,000 available under this facility combined with current projected losses will not be sufficient to meet its current obligations and the Company will need to raise capital through borrowings or sales of equity securities. There can be no assurance that the Company will be able to obtain additional borrowings or complete a sale of equity securities. | |||