Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net revenue:
Products	$ 40,210	$ 25,725	$ 89,262	$ 80,387
Support, maintenance and subscription services	19,405	18,275	57,347	53,704
Professional services	7,596	7,582	26,494	22,767
Total net revenue	67,211	51,582	173,103	156,858
Cost of goods sold:
Products	32,225	20,128	70,108	63,733
Support, maintenance and subscription services	6,911	6,223	20,779	19,270
Professional services	4,626	5,298	16,308	14,835
Total net cost of goods sold	43,762	31,649	107,195	97,838
Gross profit	23,449	19,933	65,908	59,020
Gross Profit Ratio	34.90%	38.60%	38.10%	37.60%
Operating Expenses:
Product development	8,612	7,722	24,241	23,378
Sales and marketing	5,425	5,408	16,039	16,868
General and administrative	7,167	7,319	20,596	23,466
Depreciation of fixed assets	633	1,063	2,024	3,177
Amortization of intangibles	832	914	2,554	2,782
Asset impairments and related charges	0	0	208	0
Restructuring, severance and other charges	(31)	4,556	1,524	10,590
Operating income (loss)	811	(7,049)	(1,278)	(21,241)
Other (income) expenses:
Interest income	0	(4)	(8)	(54)
Interest expense	(56)	(60)	(225)	(937)
Other expenses, net	220	22	202	293
Income (loss) before income taxes	535	(7,127)	(1,697)	(22,417)
Income tax expense (benefit)	19	(1,353)	(69)	(6,209)
Income (loss) from continuing operationsl	516	(5,774)	(1,628)	(16,208)
(Loss) income from discontinued operations, net of taxes	0	(735)	0	10,403
Net income (loss)	$ 516	$ (6,509)	$ (1,628)	$ (5,805)
Earnings Per Share, Basic [Abstract]
Income (loss) from continuing operations	$ (0.02)	$ 0.26	$ 0.07	$ 0.72
(Loss) income from discontinued operations	$ 0.00	$ (0.03)	$ 0.00	$ 0.46
Net (loss) income per share	$ 0.02	$ (0.29)	$ (0.07)	$ (0.26)
Earnings Per Share, Diluted [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.02	$ (0.26)	$ (0.07)	$ (0.72)
(Loss) income from Discontinued Operations, Net of Tax, Per Diluted Share	$ 0.00	$ (0.03)	$ 0.00	$ 0.46
Earnings Per Share, Diluted	$ 0.02	$ (0.29)	$ (0.07)	$ (0.26)
Weighted average shares outstanding:
Basic and diluted	21,900	22,148	21,873	22,650
Weighted Average Number of Shares Outstanding, Diluted	22,088	22,148	21,873	22,650