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Income Taxes - Reconciliation Of The Provision For Income Taxes With The Amount Computed By Applying The Statutory Federal Income Tax Rate To The Income Before Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Income Tax Disclosure [Abstract]
Income Tax Provision at Statutory Rate	$ 288	$ 1,534	$ 1,697
U.S Corporate Rate Change		52	1,010
State Taxes, Net of Federal Tax Effect	(48)	226	149
Foreign Rate Deferential	315	558	752
Transition Tax on Repatriated Earnings		14	104
Meals and Entertainment	31	56	40
Share Based Compensation	(145)	(127)	24
Change in Valuation Allowance	256
Change in Reserves Related to ASC 740 Liability	(352)	(34)	(20)
Domestic Production Deduction			(47)
Return to Provision Adjustment	(207)	58	(122)
TrojanLabel Earn Out Liability Adjustment			(316)
Global Intangible Low Taxed Income	107
R&D Credits	(209)	(218)	(537)
Foreign Deferred Intangible Income	(107)	(53)
Foreign Tax Credits	(344)	(477)	(833)
Other	26	(11)	(30)
Total	$ (389)	$ 1,578	$ 1,871

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