CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Revenues	$ 44,340	$ 32,752	$ 132,188	$ 101,107
Cost of revenues	30,308	22,583	90,345	69,681
Gross profit	14,032	10,169	41,843	31,426
Operating expenses:
Research and development	3,564	2,622	10,393	8,405
Selling	2,982	2,731	8,963	8,175
General and administrative	2,699	2,606	8,849	8,135
Intangible asset amortization	475	310	1,267	972
Total operating expenses	9,720	8,269	29,472	25,687
Operating income	4,312	1,900	12,371	5,739
Non-operating expense:
Interest expense, net	(129)	(71)	(316)	(1,216)
Foreign currency translation account write-off	0	0	0	(801)
Other expense, net	(9)	(101)	(14)	(103)
Total non-operating expense	(138)	(172)	(330)	(2,120)
Income before income taxes	4,174	1,728	12,041	3,619
Income tax provision	(19)	(28)	(45)	(43)
Net income	$ 4,155	$ 1,700	$ 11,996	$ 3,576
Earnings per share:
Basic (in dollars per share)	$ 0.14	$ 0.06	$ 0.42	$ 0.13
Diluted (in dollars per share)	$ 0.14	$ 0.06	$ 0.40	$ 0.13
Shares used in computing earnings per share:
Basic (in shares)	29,210	27,869	28,537	27,583
Diluted (in shares)	30,096	28,800	29,684	28,445