CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Condensed Consolidated Statements Of Operations
Service revenue	$ 60,149	$ 48,948	$ 173,162	$ 140,068
Product revenue	3,527	4,220	13,738	11,935
Total revenue	63,676	53,168	186,900	152,003
Operating expenses:
Cost of service revenue	10,525	9,713	31,597	27,359
Cost of product revenue	4,240	5,087	15,527	14,065
Research and development	7,095	6,404	20,310	17,930
Sales and marketing	35,667	27,585	101,049	78,138
General and administrative	7,852	6,888	21,400	18,614
Total operating expenses	65,379	55,677	189,883	156,106
Loss from operations	(1,703)	(2,509)	(2,983)	(4,103)
Other income, net	408	272	1,209	710
Loss before provision (benefit) for income taxes	(1,295)	(2,237)	(1,774)	(3,393)
Provision (benefit) for income taxes	30	(557)	52	651
Net loss	$ (1,325)	$ (1,680)	$ (1,826)	$ (4,044)
Net loss per share:
Basic	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.05)
Diluted	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.05)
Weighted average number of shares:
Basic	90,774	88,289	90,062	88,812
Diluted	90,774	88,289	90,062	88,812