CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Revenues:
Products	$ 75,984	$ 58,498	$ 152,405	$ 113,295
Application subscriptions and other services	14,495	11,310	29,221	21,942
Total revenues	90,479	69,808	181,626	135,237
Cost of revenues:
Products	45,486	39,223	94,375	76,560
Application subscriptions and other services	7,379	5,282	14,803	9,848
Total cost of revenues	52,865	44,505	109,178	86,408
Gross profit	37,614	25,303	72,448	48,829
Operating expenses:
Research and development	5,885	4,995	11,976	9,560
Selling	12,683	5,847	23,991	11,345
General and administrative	11,284	4,908	27,267	9,683
Intangible asset amortization	3,856	1,655	7,346	3,299
Total operating expenses	33,708	17,405	70,580	33,887
Operating income	3,906	7,898	1,868	14,942
Non-operating income (expense):
Investment income (loss)	455	(43)	908	(15)
Interest expense	(2,474)	(2,280)	(4,898)	(2,928)
Other income (expense)	(130)	(18)	413	(29)
Total non-operating income (expense)	(2,149)	(2,341)	(3,577)	(2,972)
Income (loss) before income taxes and equity in net loss of affiliate	1,757	5,557	(1,709)	11,970
Income tax benefit (provision)	(864)	(2,058)	255	(4,412)
Income (loss) before equity in net loss of affiliate	893	3,499	(1,454)	7,558
Equity in net loss of affiliate	(372)		(684)
Net income (loss)	$ 521	$ 3,499	$ (2,138)	$ 7,558
Earnings (loss) per share:
Basic	$ 0.01	$ 0.10	$ (0.06)	$ 0.21
Diluted	$ 0.01	$ 0.10	$ (0.06)	$ 0.21
Shares used in computing earnings (loss) per share:
Basic	36,390	36,135	36,425	36,049
Diluted	36,849	36,716	36,425	36,691
Comprehensive income (loss):
Net income (loss)	$ 521	$ 3,499	$ (2,138)	$ 7,558
Other comprehensive loss:
Foreign currency translation adjustments	(109)		(624)
Unrealized loss on equity investment in French licensee, net of tax	(16)		(8)
Total comprehensive income (loss)	$ 396	$ 3,499	$ (2,770)	$ 7,558