SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Share-Based Compensation Expense

The following is a summary of share-based compensation expense including restricted stock units and employee stock purchases made under the Company's 2011 Employee Stock Purchase Plan (ESPP) based on estimated fair values within the applicable cost and expense lines identified below (in thousands):

	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2015		2014		2015		2014
Cost of product revenue	$	167	$	93	$	269	$	153
Cost of service revenue	754		314		1,127		542
Research and development	2,572		1,490		4,062		2,516
Sales and marketing	2,240		1,235		3,643		2,198
General and administrative	1,770		1,363		2,997		2,388
	$	7,503	$	4,495	$	12,098	$	7,797