SHARE-BASED COMPENSATION (Tables)

3 Months Ended

Jun. 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 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,
	2015		2014
Cost of product revenue	$	102	$	60
Cost of service revenue	373		228
Research and development	1,490		1,026
Sales and marketing	1,403		963
General and administrative	1,227		1,025
	$	4,595	$	3,302