GOODWILL AND INTANGIBLE ASSETS (Details Textual) (USD $)	3 Months Ended	12 Months Ended
Apr. 30, 2013	Apr. 30, 2013	Apr. 30, 2012
Amortization of Intangible Assets		$ 133,000	$ 159,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		3 years 3 months 18 days
Goodwill impairment charges	$ 1,936,000	$ 1,936,059	$ 20,167
Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Discount Rate		15.60%
Fair Value Inputs Gross Margin Percentage		30.00%
Fair Value, Inputs, Level 3 [Member] \| Maximum [Member]
Fair Value Inputs Short And Long Term Revenue Growth Rates		3.00%
Fair Value Inputs Selling And Distribution Expenses Percentage		29.00%
Fair Value, Inputs, Level 3 [Member] \| Minimum [Member]
Fair Value Inputs Short And Long Term Revenue Growth Rates		2.50%
Fair Value Inputs Selling And Distribution Expenses Percentage		25.00%

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Percentage of assumed gross margin, used as an input to measure fair value.

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Ratio of an entity's selling and distribution expenses to its revenue, used as an input to measure fair value.

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Percentage of assumed short and long-term growth in revenues, used as an input to measure fair value.

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