CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019
Revenues:
Revenues	$ 83,537	$ 93,236	$ 163,752	$ 182,306
Cost of revenues:
Cost of revenues	52,727	55,566	101,889	109,225
Gross profit	30,810	37,670	61,863	73,081
Operating expenses:
Research and development	6,989	7,924	13,313	14,810
Selling and marketing	13,493	15,868	26,379	30,515
General and administrative	13,899	12,893	27,568	30,377
Intangible asset amortization	1,844	3,318	3,736	6,358
Restructuring	551	2,272	2,459	2,272
Impairment loss	286		4,575
Total operating expenses	37,062	42,275	78,030	84,332
Operating loss	(6,252)	(4,605)	(16,167)	(11,251)
Non-operating income (expense):
Investment income	680	1,256	698	3,337
Interest expense	(3,857)	(5,555)	(7,934)	(11,011)
Other income (expense)	217	193	9	(206)
Total non-operating expense	(2,960)	(4,106)	(7,227)	(7,880)
Loss before income taxes and impairment loss in investment of affiliate	(9,212)	(8,711)	(23,394)	(19,131)
Income tax benefit (provision)	(266)	1,342	(506)	3,599
Loss before impairment loss in investment of affiliate	(9,478)	(7,369)	(23,900)	(15,532)
Impairment loss in investment of affiliate				(530)
Net loss	$ (9,478)	$ (7,369)	$ (23,900)	$ (16,062)
Loss per share:
Basic	$ (0.28)	$ (0.22)	$ (0.70)	$ (0.48)
Diluted	$ (0.28)	$ (0.22)	$ (0.70)	$ (0.48)
Shares used in computing loss per share:
Basic	34,256	33,568	34,140	33,475
Diluted	34,256	33,568	34,140	33,475
Comprehensive income (loss):
Net loss	$ (9,478)	$ (7,369)	$ (23,900)	$ (16,062)
Other comprehensive income (loss):
Foreign currency translation adjustments	935	(1,018)	(800)	(1,287)
Total comprehensive loss	(8,543)	(8,387)	(24,700)	(17,349)
Products [Member]
Revenues:
Revenues	50,943	64,174	104,049	129,937
Cost of revenues:
Cost of revenues	36,792	38,283	72,788	78,089
Application Subscriptions and Other Services [Member]
Revenues:
Revenues	32,594	29,062	59,703	52,369
Cost of revenues:
Cost of revenues	$ 15,935	$ 17,283	$ 29,101	$ 31,136