CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Revenues:
Products	$ 48,831	$ 39,765	$ 92,914	$ 80,161
Application subscriptions and other services	9,976	4,222	19,639	7,687
Total revenues	58,807	43,987	112,553	87,848
Cost of revenues:
Products	35,166	27,706	66,611	55,854
Application subscriptions and other services	3,802	2,146	7,622	4,183
Total cost of revenues	38,968	29,852	74,233	60,037
Gross profit	19,839	14,135	38,320	27,811
Operating expenses:
Research and development	5,296	3,657	10,454	6,829
Selling	4,884	3,173	9,869	5,981
General and administrative	3,418	3,052	7,230	6,150
Intangible asset amortization	1,484	475	3,133	792
Total operating expenses	15,082	10,357	30,686	19,752
Operating income	4,757	3,778	7,634	8,059
Non-operating expense:
Interest expense, net	(87)	(123)	(209)	(187)
Other income (expense), net	6	21	(41)	(5)
Total non-operating expense	(81)	(102)	(250)	(192)
Income before income taxes	4,676	3,676	7,384	7,867
Income tax provision	(1,832)	(17)	(2,855)	(26)
Net income	$ 2,844	$ 3,659	$ 4,529	$ 7,841
Earnings per share:
Basic	$ 0.08	$ 0.13	$ 0.13	$ 0.28
Diluted	$ 0.08	$ 0.12	$ 0.13	$ 0.27
Shares used in computing earnings per share:
Basic	34,808	28,476	34,687	28,201
Diluted	35,833	29,692	35,748	29,478