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Income Taxes - Schedule of Components of Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Current:
Federal	$ 33	$ 0	$ 0
State	86	61	0
Foreign	822	667	183
Total current provision for income taxes	941	728	183
Deferred:
Federal	(518)	(620)	(32)
State	(406)	(130)	10
Foreign	(1,436)	5	(482)
Total deferred benefit from income taxes	(2,360)	(745)	(504)
Total benefit from income taxes	$ (1,419)	$ (17)	$ (321)

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