CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011
Revenues:
Products	$ 15,213	$ 21,267	$ 40,681	$ 53,669
Services	24,036	21,646	71,932	67,799
Total revenues	39,249	42,913	112,613	121,468
Cost of revenues:
Products	5,504	5,184	13,771	14,691
Services	13,807	12,512	39,287	36,054
Amortization of intangible assets	520	769	1,548	1,886
Stock-based compensation expense	(85)	140	109	380
Inventory write-down	0	0	1,752	0
Total cost of revenues	19,746	18,605	56,467	53,011
Gross profit	19,503	24,308	56,146	68,457
Operating expenses:
Research and development	9,423	10,518	29,042	30,436
Selling and marketing	3,905	5,112	11,987	15,802
General and administrative	3,728	4,111	12,126	12,247
Amortization of intangible assets	969	948	2,891	2,863
Stock-based compensation expense	813	878	2,947	2,754
Earn-outs and change in fair value of earn-outs	64	1,412	1,667	1,517
Professional fees: acquisitions, divestitures, litigation, and strategic alternatives	26	597	1,445	1,873
Severance and other restructuring costs	1,476	(6)	2,918	221
Total operating expenses	20,404	23,570	65,023	67,713
(Loss) income from operations	(901)	738	(8,877)	744
Other income (expense), net	337	(127)	(92)	128
Gain on sale of investment in affiliates	0	0	814	0
(Loss) income before income taxes and equity income in earnings of affiliates	(564)	611	(8,155)	872
Income tax benefit	(882)	(368)	(766)	(583)
Equity income in earnings of affiliates, net of tax	49	129	75	215
Income (loss) from continuing operations	367	1,108	(7,314)	1,670
Income (loss) on sale of discontinued operations	124	0	(14,324)	0
Income (loss) from discontinued operations, net of tax	87	(700)	(2,655)	(859)
Net income (loss)	578	408	(24,293)	811
Net income (loss)	578	408	(24,293)	811
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	1,453	321	6,612	2,696
Unrealized loss on marketable securities	(10)	(21)	(10)	(74)
Comprehensive income (loss)	$ 2,021	$ 708	$ (17,691)	$ 3,433
Net income (loss) per share:
Basic income (loss) per share (in dollars per share)	$ 0.02	$ 0.01	$ (0.75)	$ 0.03
Diluted income (loss) per share (in dollars per share)	$ 0.02	$ 0.01	$ (0.75)	$ 0.02
Net income (loss) per share from continuing operations:
Basic income (loss) per share (in dollars per share)	$ 0.01	$ 0.03	$ (0.23)	$ 0.06
Diluted income (loss) per share (in dollars per share)	$ 0.01	$ 0.03	$ (0.23)	$ 0.05
Net income (loss) per share from discontinued operations:
Basic income (loss) per share (in dollars per share)	$ 0.01	$ (0.02)	$ (0.52)	$ (0.03)
Diluted income (loss) per share (in dollars per share)	$ 0.01	$ (0.02)	$ (0.52)	$ (0.03)
Weighted average common shares outstanding:
Basic (in shares)	32,474	32,132	32,554	32,055
Diluted (in shares)	33,013	32,817	32,554	32,706