CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Revenues:
Products	$ 49,015	$ 48,831	$ 98,458	$ 92,914
Application subscriptions and other services	10,195	9,976	19,733	19,639
Total revenues	59,210	58,807	118,191	112,553
Cost of revenues:
Products	33,864	35,166	68,589	66,611
Application subscriptions and other services	4,850	3,802	8,887	7,622
Total cost of revenues	38,714	38,968	77,476	74,233
Gross profit	20,496	19,839	40,715	38,320
Operating expenses:
Research and development	5,016	5,296	10,134	10,454
Selling	4,921	4,884	10,098	9,869
General and administrative	3,892	3,418	7,529	7,230
Intangible asset amortization	1,634	1,484	3,317	3,133
Total operating expenses	15,463	15,082	31,078	30,686
Operating income	5,033	4,757	9,637	7,634
Non-operating expense:
Interest income (expense), net	5	(87)	(96)	(209)
Other income (expense)	(9)	6	5	(41)
Total non-operating expense	(4)	(81)	(91)	(250)
Income before income taxes	5,029	4,676	9,546	7,384
Income tax provision	(1,751)	(1,832)	(3,575)	(2,855)
Net income	$ 3,278	$ 2,844	$ 5,971	$ 4,529
Earnings per share:
Basic	$ 0.09	$ 0.08	$ 0.17	$ 0.13
Diluted	$ 0.09	$ 0.08	$ 0.16	$ 0.13
Shares used in computing earnings per share:
Basic	35,732	34,808	35,652	34,687
Diluted	36,472	35,833	36,498	35,748