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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, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
Income Tax Provision at Statutory Rate	$ 1,477	$ 458	$ 288
Return to Provision Adjustment	368	(2)	(207)
State Taxes, Net of Federal Tax Effect	143	28	(48)
Denmark Statutory Audit	0	341	0
Foreign Rate Differential	61	197	315
Change in Valuation Allowance	57	(81)	256
Meals and Entertainment	9	11	31
Canada Withholding Taxes	0	62	0
Global Intangible Low Taxed Income	0	14	107
Foreign Tax Credits	0	0	(344)
Foreign Deferred Intangible Income	(55)	(150)	(107)
Share Based Compensation	(95)	171	(145)
R&D Credits	(180)	(157)	(209)
Change in Reserves Related to ASC 740 Liability	(245)	(10)	(352)
PPP Loan Forgiveness	(937)	0	0
Other	2	13	26
Total	$ 605	$ 895	$ (389)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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