INCOME TAXES - Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Current:
Federal	$ 0	$ 0	$ 0
State	145	31	185
Foreign	721	812	647
Total current tax provision	866	843	832
Deferred
Federal	(984)	0	0
State	(269)	0	0
Foreign	0	0	0
Total deferred tax provision	(1,253)	0	0
Total income tax provision (benefit)	$ (387)	$ 843	$ 832