Federal, State and Local Income Taxes (Detail Textuals) (USD $)	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011
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	1,770,000
Tax benefits related to exit lease obligation			$ 914,000
Effective income tax rate	37.00%	38.71%	38.53%