SHARE-BASED COMPENSATION (Tables)

3 Months Ended

Jun. 30, 2016

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
	June 30,
	2016		2015
Cost of product revenue	$	195	$	102
Cost of service revenue	798		373
Research and development	2,633		1,490
Sales and marketing	2,611		1,403
General and administrative	1,895		1,227
	$	8,132	$	4,595