Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Current provision:
State	$ 704	$ 194	$ 356
Foreign	1,388	1,400	477
Deferred benefit:
Federal	(28)	(512)	(11)
State	(2)	(89)	(2)
Provision for income taxes	$ 2,062	$ 993	$ 820