SHARE-BASED COMPENSATION (Tables)

9 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of Share-Based Compensation Expense

The following is a summary of share-based compensation expense including restricted stock units granted pursuant to the Company's 2007 Equity Incentive Plan, as amended (Amended 2007 Plan), and 2019 Equity Incentive Plan (2019 Plan) and employee stock purchases made under the Company's 2011 Employee Stock Purchase Plan, as amended, (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,
	2020		2019		2020		2019
Cost of product revenue	$	248	$	231	$	837	$	843
Cost of service revenue	1,371		1,275		4,531		4,584
Research and development	3,862		3,437		12,578		12,076
Sales and marketing	4,253		3,910		13,602		13,333
General and administrative	2,783		2,508		8,801		9,125
	$	12,517	$	11,361	$	40,349	$	39,961