FAIR VALUE MEASUREMENTS (Details Textual) (USD $)	12 Months Ended			12 Months Ended			12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Oct. 31, 2011	Oct. 31, 2011 Minimum [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member]	Apr. 30, 2012 Fair Value, Inputs, Level 3 [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member] Maximum [Member]	Oct. 31, 2011 Fair Value, Inputs, Level 3 [Member] Minimum [Member]
Business Acquisition Related Contingent Consideration At FairValue		$ 0	$ 919,488			$ 0
Earnings Before Interest And Taxes To Achieved				1,103,386
Business Acquisiton Contingent Consideration Paid		1,047,732
Change In Fair Value Of Acquisition Related Contingent Consideration	$ 0	$ 83,628
Fair Value Inputs, Long-term Revenue Growth Rate					10.00%
Fair Value Inputs, Long-term Pre-tax Operating Margin, Percent							13.32%	7.50%
Fair Value Inputs Earnings Before Interest Taxes Depreciation And Amortization Multiples							100.00%	0.00%