Note G - Fair Value Measurements (Details)	1 Months Ended	9 Months Ended	15 Months Ended
	Nov. 30, 2012	Jan. 31, 2014	Apr. 30, 2015
Minimum [Member]
Note G - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	35.00%
Maximum [Member]
Note G - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate	40.00%
Colonial [Member]
Note G - Fair Value Measurements (Details) [Line Items]
Fair Value Inputs, Discount Rate		37.50%	38.50%