SHARE-BASED COMPENSATION (Tables)

9 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Share-Based Compensation Expense

The following is a summary of share-based compensation expense including restricted stock units and performance-based restricted stock units granted pursuant to the Company's Amended 2007 Plan, the Amended 2019 Plan, and employee stock purchases made under the Company's 2011 Amended and Restated 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,
	2023		2022		2023		2022
Cost of product revenue	$	306	$	262	$	1,027	$	869
Cost of service revenue	2,069		1,781		6,897		5,606
Research and development	4,498		4,174		14,872		13,185
Sales and marketing	5,680		5,445		19,639		17,238
General and administrative	3,811		3,481		12,218		10,327
	$	16,364	$	15,143	$	54,653	$	47,225