CONCENTRATION OF RISK (Details)	3 Months Ended				12 Months Ended	3 Months Ended
	May 31, 2013 Annual revenues [Member] Customer Concentration Risk [Member] Customer One from Satellite Business Unit [Member]	May 31, 2012 Annual revenues [Member] Customer Concentration Risk [Member] Customer One from Satellite Business Unit [Member]	May 31, 2013 Annual revenues [Member] Customer Concentration Risk [Member] Customer One from Wireless Datacom Segment [Member]	May 31, 2013 Accounts receivable [Member] Customer Concentration Risk [Member] Customer One from Satellite Business Unit [Member]	Feb. 28, 2013 Accounts receivable [Member] Customer Concentration Risk [Member] Customer One from Satellite Business Unit [Member]	May 31, 2013 Inventory purchases [Member] Supplier Concentration Risk [Member]	May 31, 2012 Inventory purchases [Member] Supplier Concentration Risk [Member]	May 31, 2013 Accounts payable [Member] Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration percentage	24.00%	27.00%	10.00%	21.00%	18.00%	63.00%	57.00%	62.00%