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Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Current:
Federal	$ 1,807	$ 592	$ 1,269
State	457	251	209
Foreign	952	284	725
Current Income Tax Expense	3,216	1,127	2,203
Deferred:
Federal	(843)	903	150
State	(170)	(25)	37
Foreign	(625)	(134)	(13)
Deferred Income Tax Expense Total	(1,638)	744	174
Total	$ 1,578	$ 1,871	$ 2,377

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