Income Taxes - Schedule of Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Current:
Federal	$ 54	$ 66	$ 10
State and local	(383)	(446)	5
Foreign	514	73	107
Deferred:
Federal	79	(2,985)	96
State and local	277	41	10
Foreign	(320)	0	8
Total income tax expense (benefit)	$ 221	$ (3,251)	$ 236