CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Condensed Consolidated Statements Of Income
Service revenue	$ 29,737	$ 24,023	$ 84,062	$ 69,314
Product revenue	3,008	2,382	8,749	6,656
Total revenue	32,745	26,405	92,811	75,970
Operating expenses:
Cost of service revenue	5,584	4,890	15,579	15,184
Cost of product revenue	4,041	3,203	11,171	8,585
Research and development	3,325	2,117	8,301	5,973
Sales and marketing	16,051	11,561	42,868	32,629
General and administrative	5,547	2,119	11,444	6,226
Gain on patent sale	0	0	0	(11,965)
Total operating expenses	34,548	23,890	89,363	56,632
Income (loss) from operations	(1,803)	2,515	3,448	19,338
Other income, net	586	73	602	90
Income (loss) from continuing operations before provision (benefit) for income taxes	(1,217)	2,588	4,050	19,428
Provision (benefit) for income taxes	(1,306)	814	481	7,494
Income from continuing operations	89	1,774	3,569	11,934
Income from discontinued operations, net of income tax provision	0	146	301	344
Gain on disposal of discontinued operations, net of income tax provision of $463	0	0	589	0
Net income	$ 89	$ 1,920	$ 4,459	$ 12,278
Income per share - continuing operations:
Basic	$ 0.00	$ 0.03	$ 0.05	$ 0.17
Diluted	$ 0.00	$ 0.03	$ 0.05	$ 0.16
Income per share - discontinued operations:
Basic	$ 0.00	$ 0.00	$ 0.01	$ 0.00
Diluted	$ 0.00	$ 0.00	$ 0.01	$ 0.00
Net income per share:
Basic	$ 0.00	$ 0.03	$ 0.06	$ 0.17
Diluted	$ 0.00	$ 0.03	$ 0.06	$ 0.16
Weighted average number of shares:
Basic	79,742	71,611	75,071	71,197
Diluted	83,182	74,988	78,389	74,483