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Income Taxes - Reconciliation of income tax provision/(benefit) With The Amount Computed By Applying The Statutory Federal Income Tax Rate To The Income Before Income Tax Provision/(benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Income Tax Disclosure [Abstract]
Income Tax Provision at Statutory Rate	$ 458	$ 288	$ 1,534
Denmark Statutory Audit	341
Foreign Rate Deferential	197	315	558
Share Based Compensation	171	(145)	(127)
Canada Withholding Taxes	62
State Taxes, Net of Federal Tax Effect	28	(48)	226
Global Intangible Low Taxed Income	14	107
Meals and Entertainment	11	31	56
U.S Corporate Rate Change			52
Transition Tax on Repatriated Earnings			14
Return to Provision Adjustment	(2)	(207)	58
Change in Reserves Related to ASC 740 Liability	(10)	(352)	(34)
Change in Valuation Allowance	(81)	256
R&D Credits	(157)	(209)	(218)
Foreign Deferred Intangible Income	(150)	(107)	(53)
Foreign Tax Credits		(344)	(477)
Other	13	26	(11)
Total	$ 895	$ (389)	$ 1,578

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