Income Taxes - Schedule of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Current:
Federal	$ 9	$ 59	$ 54
State and local	30	21	(383)
Foreign	731	463	514
Deferred:
Federal	12	11	79
State and local	32	7	277
Foreign	(1,022)	(360)	(320)
Total income tax expense (benefit)	$ (208)	$ 201	$ 221