GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Apr. 30, 2013

Goodwill And Intangible Assets [Abstract]

Schedule of Goodwill

Goodwill through the years ended April 30, 2013 and 2012 consisted of the following:

	Wireless		Specialty		Electrical
	Communication		Construction		Power		Total
Beginning balance, May 1, 2011	$	-	$	-	$	2,044,856	$	2,044,856
Foreign currency translation adjustments		-		-		(114,030)		(114,030)
Ending balance, April 30, 2012		-		-		(1,930,826)		(1,930,826)
Goodwill impairment		-		-		(1,936,059)		(1,936,059)
Foreign currency translation adjustments		-		-		5,233		5,233
Ending balance, April 30, 2013	$	-	$	-	$	-	$	-

Schedule of Intangible Assets and Goodwill

Other intangible assets consist of the following at April 30:

	Estimated useful life	April 30,		April 30,
	(years)	2013		2012
Customer list	3-9	$	1,975,527	$	2,961,799
Less accumulated amortization			(1,724,895)		(2,579,895)
			250,632		381,904
Contract backlog	1-3		1,035,364		1,034,787
Less accumulated amortization			(1,035,364)		(1,033,839)
			-		948
Totals		$	250,632	$	382,852

Finite-lived Intangible Assets Amortization Expense

Estimated future amortization expense by fiscal year is as follows:

Year ending April 30,
2014	$	83,200
2015		66,973
2016		66,973
2017		33,486
Total Intangible Assets	$	250,632