SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Revenues	$ 43,987	$ 33,801	$ 87,848	$ 68,355
Gross profit	14,135	11,825	27,811	21,257
Gross margin	32.10%	35.00%	31.70%	31.10%
Operating income (loss)	3,778	2,954	8,059	3,839
Wireless Datacom [Member]
Revenues	34,173	25,523	65,844	47,560
Gross profit	12,429	11,380	24,174	19,984
Gross margin	36.40%	44.60%	36.70%	42.00%
Operating income (loss)	4,002	4,399	8,393	6,529
Satellite [Member]
Revenues	9,814	8,278	22,004	20,795
Gross profit	1,706	445	3,637	1,273
Gross margin	17.40%	5.40%	16.50%	6.10%
Operating income (loss)	749	(447)	1,829	(735)
Corporate [Member]
Operating income (loss)	$ (973)	$ (998)	$ (2,163)	$ (1,955)