CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Consolidated Statements Of Operations
Service revenue	$ 235,816	$ 192,241	$ 148,208
Product revenue	17,572	17,095	14,205
Total revenue	253,388	209,336	162,413
Operating expenses:
Cost of service revenue	42,400	37,078	29,701
Cost of product revenue	19,714	20,168	15,863
Research and development	27,452	24,040	15,118
Sales and marketing	139,277	109,379	80,667
General and administrative	31,214	25,745	18,182
Gain on patent sale	0	0	(1,000)
Total operating expenses	260,057	216,410	158,531
Income (loss) from operations	(6,669)	(7,074)	3,882
Other income, net	1,792	1,107	833
Income (loss) before provision (benefit) for income taxes	(4,877)	(5,967)	4,715
Provision (benefit) for income taxes	(126)	(847)	2,789
Net income (loss)	$ (4,751)	$ (5,120)	$ 1,926
Net income (loss) per share:
Basic	$ (0.05)	$ (0.06)	$ 0.02
Diluted	$ (0.05)	$ (0.06)	$ 0.02
Weighted average number of shares:
Basic	90,340	88,477	89,071
Diluted	90,340	88,477	91,652