SEGMENT INFORMATION (Summary of Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 58,807	$ 43,987	$ 112,553	$ 87,848
Gross profit	19,839	14,135	38,320	27,811
Gross margin, percentage	33.70%	32.10%	34.00%	31.70%
Operating income (loss)	4,757	3,778	7,634	8,059
Operating Segments [Member] | Wireless Datacom [Member]
Segment Reporting Information [Line Items]
Revenues	47,196	34,173	88,061	65,844
Gross profit	17,555	12,429	33,515	24,174
Gross margin, percentage	37.20%	36.40%	38.10%	36.70%
Operating income (loss)	4,314	4,002	6,680	8,393
Operating Segments [Member] | Satellite [Member]
Segment Reporting Information [Line Items]
Revenues	11,611	9,814	24,492	22,004
Gross profit	2,284	1,706	4,805	3,637
Gross margin, percentage	19.70%	17.40%	19.60%	16.50%
Operating income (loss)	1,228	749	2,776	1,829
Corporate Expenses [Member]
Segment Reporting Information [Line Items]
Revenues
Gross profit
Gross margin, percentage
Operating income (loss)	$ (785)	$ (973)	$ (1,822)	$ (2,163)