SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Revenues (in dollars)	$ 44,340	$ 32,752	$ 132,188	$ 101,107
Gross profit (in dollars)	14,032	10,169	41,843	31,426
Gross margin	31.60%	31.00%	31.70%	31.10%
Operating income (in dollars)	4,312	1,900	12,371	5,739
Wireless Datacom [Member]
Revenues (in dollars)	36,334	25,905	102,178	73,465
Gross profit (in dollars)	12,612	9,503	36,786	29,487
Gross margin	34.70%	36.70%	36.00%	40.10%
Operating income (in dollars)	4,500	2,999	12,893	9,528
Satellite [Member]
Revenues (in dollars)	8,006	6,847	30,010	27,642
Gross profit (in dollars)	1,420	666	5,057	1,939
Gross margin	17.70%	9.70%	16.90%	7.00%
Operating income (in dollars)	498	(156)	2,327	(891)
Corporate [Member]
Operating income (in dollars)	$ (686)	$ (943)	$ (2,849)	$ (2,898)