DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Concentrations of Risk) (Details)	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Wireless Datacom [Member]
Concentration Risk [Line Items]
Concentration percentage	12.00%	15.00%
Inventory Purchases [Member] | Major Supplier [Member] | Supplier Two [Member]
Concentration Risk [Line Items]
Concentration percentage	11.00%
Inventory Purchases [Member] | Major Supplier [Member] | Supplier One [Member]
Concentration Risk [Line Items]
Concentration percentage	34.00%	56.00%	59.00%
Inventory Purchases [Member] | Major Supplier [Member] | Supplier Three [Member]
Concentration Risk [Line Items]
Concentration percentage	14.00%	16.00%
Accounts Payable [Member] | Major Supplier [Member] | Supplier Two [Member]
Concentration Risk [Line Items]
Concentration percentage	8.00%
Accounts Payable [Member] | Major Supplier [Member] | Supplier One [Member]
Concentration Risk [Line Items]
Concentration percentage	33.00%
Accounts Payable [Member] | Major Supplier [Member] | Supplier Three [Member]
Concentration Risk [Line Items]
Concentration percentage		18.00%
Revenues [Member] | Customer Concentration Risk [Member] | Echo Star [Member]
Concentration Risk [Line Items]
Concentration percentage	4.00%	14.00%	15.00%