DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2012
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Income tax benefit (provision)	$ (6,108)	$ 29,178	$ (61)
Cumulative foreign currency translation loss	65
Foreign transaction exchange gains (losses)	$ (62)	$ (43)	$ (45)
Revenues [Member] | Customer One from Satellite Business Unit [Member]
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration percentage	20.70%	22.10%	28.30%
Accounts receivable [Member] | Customer One from Satellite Business Unit [Member]
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration percentage	14.60%	18.40%
Inventory purchases [Member] | Major supplier [Member]
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration percentage	65.00%	54.00%
Accounts payable [Member] | Major supplier [Member]
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Concentration percentage	59.00%