RETIREMENT PLANS (Tables)

12 Months Ended

Apr. 30, 2013

Retirement Plans [Abstract]

Schedule of Multiemployer Plans

Information on significant multiemployer pension plans in which the Company participates is included in the table below.

	Federal		Pension		FIP/RP	Expiration of  Collective
	Identification		Certified Zone Status		Status Pending	Bargaining	Company's Contributions
Pension Plan Legal name	Number		2011	2010	or Implemented	Arrangement	2013		2012
Local 351 IBEW Pension Plan		22-3417366	Green	Green	Yes	Eff. until terminated	$	376,056	$	736,870
Puget Sound Electrical Workers Pension Plan		91-6180333 / 001	Green	Green	No	5/31/2015		253,944		304,420
Board of Trustees of the IBEW Local 102 Pension Plan		22-1615726	Green	Green	Yes	Eff. until terminated		33,112		175,683
Board of Trustees of the IBEW Local 269 Pension Fund		23-7301491	Green	Green	Yes	Eff. until terminated		65,343		388,889
IBEW Local 76 Retirement Plan		91-6243526 / 001	NA	NA	Yes	8/31/2015		111,711		51,346
International Brotherhood of Electrical Workers District No. 9 Pension Plan		93-6074829	NA	NA	No	11/30/2014		223,139		225,673
IBEW Local 164 Pension Fund		22-6031199	Yellow	Yellow	Yes	Eff. until terminated		17,149		102,882
Other plans								44,118		245,032
Totals							$	1,124,571	$	2,230,795