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Note G - Fair Value Measurements (Details)	9 Months Ended	3 Months Ended	12 Months Ended
	Jan. 31, 2014 Original [Member] Colonial [Member]	Apr. 30, 2014 Revised [Member] Colonial [Member]	Apr. 30, 2014 Minimum [Member]	Apr. 30, 2014 Maximum [Member]
Note G - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	37.50%	38.50%	35.00%	40.00%

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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