PREPAID EXPENSES AND OTHER CURRENT ASSETS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Prepaid Expenses And Other Current Assets [Line Items]
Payroll tax credit	$ 0	$ 1,587
Cost of revenue	59,872	90,471	$ 86,716
General and administrative	19,487	11,680	11,262
Sales and marketing	11,392	11,628	10,341
Research and development	1,852	1,701	1,685
American Rescue Plan Act of 2021
Prepaid Expenses And Other Current Assets [Line Items]
Payroll tax credit	1,600
General and administrative	300
Sales and marketing	400
Research and development	100
Product revenue
Prepaid Expenses And Other Current Assets [Line Items]
Cost of revenue	42,979	65,249	63,233
Product revenue | American Rescue Plan Act of 2021
Prepaid Expenses And Other Current Assets [Line Items]
Cost of revenue	700
Service revenue
Prepaid Expenses And Other Current Assets [Line Items]
Cost of revenue	16,893	$ 25,222	$ 23,483
Service revenue | American Rescue Plan Act of 2021
Prepaid Expenses And Other Current Assets [Line Items]
Cost of revenue	$ 100