SHARE-BASED COMPENSATION (Tables)

9 Months Ended

Dec. 31, 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				Nine Months Ended
	December 31,				December 31,
	2016		2015		2016		2015
Cost of product revenue	$	255	$	196	$	716	$	465
Cost of service revenue	1,015		721		3,058		1,848
Research and development	3,456		2,579		9,961		6,641
Sales and marketing	3,367		2,718		9,704		6,361
General and administrative	2,368		2,072		6,832		5,069
	$	10,461	$	8,286	$	30,271	$	20,384