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Federal, State and Local Income Taxes (Detail Textuals) (USD $) | 12 Months Ended
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Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2012
Income Tax Disclosure [Abstract] |  |  |
Net operating loss carryforward |  | $ 360,000 | $ 7,300,000
Gain from deconsolidation of the company's asset management and mutual fund distribution subsidiaries | 50,510,000 |  |
Deferred non-cash postemployment compensation granted to VLI's former employee recognized in fiscal 2011 | $ 1,770,000 |  |
Effective income tax rate | 33.50% | 37.00% | 38.71%

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