Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2015		Jan. 31, 2014		Jan. 31, 2013
Revenues:
Products	$ 31,507		$ 54,749		$ 64,274
Services	83,928		91,570		92,914
Total revenues	115,435		146,319		157,188
Cost of revenues:
Products	8,845		10,526		17,397
Services	48,272		55,075		52,162
Amortization of intangible assets	1,070		1,269		2,429
Stock-based compensation expense	141		250		157
Inventory write-down					1,752
Total cost of revenues	58,328		67,120		73,897
Gross profit	57,107		79,199		83,291
Operating expenses:
Research and development	42,169		39,657		38,667
Selling and marketing	13,920		15,018		15,398
General and administrative	16,014		17,618		17,674
Amortization of intangible assets	4,084		3,361		3,966
Stock-based compensation expense	3,079		2,709		5,772
Earn-outs and change in fair value of earn-outs			(60)		2,435
Professional fees-other	671		1,614		1,619
Severance and other restructuring costs	3,623		911		3,106
Total operating expenses	83,560		80,828		88,637
Loss from operations	(26,453)		(1,629)		(5,346)
Other expenses, net	(2,161)		(224)		(86)
(Loss) gain on sale of investment in affiliates			(363)		885
Loss before income taxes and equity income in earnings of affiliates	(28,614)		(2,216)		(4,547)
Income tax (benefit) provision	(1,106)		55		(1,555)
Equity income in earnings of affiliates, net of tax	19		44		193
Loss from continuing operations	(27,489)		(2,227)		(2,799)
Loss on sale of discontinued operations					(14,073)
Income (loss) from discontinued operations, net of tax	5		(803)		(2,293)
Net loss	(27,484)		(3,030)		(19,165)
Net loss	(27,484)		(3,030)		(19,165)
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(3,647)		(294)		7,954
Unrealized gain (loss) on marketable securities	25	[1]	(12)	[1]	(6)	[1]
Comprehensive loss	$ (31,106)		$ (3,336)		$ (11,217)
Loss per share:
Basic loss per share	$ (0.84)		$ (0.09)		$ (0.59)
Diluted loss per share	$ (0.84)		$ (0.09)		$ (0.59)
Loss per share from continuing operations:
Basic loss per share	$ (0.84)		$ (0.07)		$ (0.09)
Diluted loss per share	$ (0.84)		$ (0.07)		$ (0.09)
Income (loss) per share from discontinued operations:
Basic loss per share	$ 0.00		$ (0.02)		$ (0.50)
Diluted loss per share	$ 0.00		$ (0.02)		$ (0.50)
Weighted average common shares outstanding:
Basic	32,772		32,718		32,494
Diluted	32,772		32,718		32,494

[1] Tax amounts for all periods were not significant