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Note G - Fair Value Measurements (Details Textual)	9 Months Ended
	Jan. 31, 2015
Minimum [Member]
Fair Value Inputs, Discount Rate	35.00%
Maximum [Member]
Fair Value Inputs, Discount Rate	40.00%
Colonial [Member]
Fair Value Inputs, Discount Rate	38.50%

X

- 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=36462937&loc=d3e19207-110258

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