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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
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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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