CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Revenues:
Products	$ 52,837	$ 53,307	$ 151,295	$ 146,221
Application subscriptions and other services	10,388	10,196	30,121	29,835
Total revenues	63,225	63,503	181,416	176,056
Cost of revenues:
Products	36,165	37,845	104,754	104,456
Application subscriptions and other services	4,956	4,663	13,843	12,285
Total cost of revenues	41,121	42,508	118,597	116,741
Gross profit	22,104	20,995	62,819	59,315
Operating expenses:
Research and development	4,852	5,267	14,986	15,721
Selling	5,162	4,920	15,260	14,789
General and administrative	4,000	3,291	11,529	10,521
Intangible asset amortization	1,635	1,485	4,952	4,618
Total operating expenses	15,649	14,963	46,727	45,649
Operating income	6,455	6,032	16,092	13,666
Non-operating expense:
Interest expense, net	(12)	(67)	(108)	(276)
Other expense	(22)	(10)	(17)	(51)
Total non-operating expense	(34)	(77)	(125)	(327)
Income before income taxes	6,421	5,955	15,967	13,339
Income tax provision	(2,400)	(1,748)	(5,975)	(4,603)
Net income	$ 4,021	$ 4,207	$ 9,992	$ 8,736
Earnings per share:
Basic	$ 0.11	$ 0.12	$ 0.28	$ 0.25
Diluted	$ 0.11	$ 0.12	$ 0.27	$ 0.24
Shares used in computing earnings per share:
Basic	35,901	35,171	35,735	34,848
Diluted	36,526	36,206	36,508	35,901