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Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Current:
Federal	$ 660	$ 1,807	$ 592
State	221	457	251
Foreign	368	952	284
Current Income Tax Expense	1,249	3,216	1,127
Deferred:
Federal	(1,364)	(843)	903
State	(282)	(170)	(25)
Foreign	8	(625)	(134)
Deferred Income Tax Expense Total	(1,638)	(1,638)	744
Total	$ (389)	$ 1,578	$ 1,871

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