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Note 7 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Taxes Payable, Total | $ 600 | $ 200 |
Effective Income Tax Rate Reconciliation, Percent, Total | 37.80% | 27.20% |
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | $ 7,197 | $ 8,424 |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 2,744 | 2,730 |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 318 | 448 |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | 2,580 | 2,580 |
Unrecognized Tax Benefits, Ending Balance | 1,673 | 1,611 | $ 1,591
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 900 |  |
Other Noncurrent Liabilities [Member] |  |  |
Unrecognized Tax Benefits, Ending Balance | 300 | $ 200 |
Foreign Tax Authority [Member] | Middle East [Member] |  |  |
Undistributed Earnings of Foreign Subsidiaries | 28,200 |  |
Foreign Tax Authority [Member] | Ministry of Finance, India [Member] |  |  |
Undistributed Earnings of Foreign Subsidiaries | 8,400 |  |
Foreign Tax Authority [Member] | UNITED ARAB EMIRATES |  |  |
Undistributed Earnings of Foreign Subsidiaries | 22,800 |  |
Foreign Tax Authority [Member] | SAUDI ARABIA |  |  |
Undistributed Earnings of Foreign Subsidiaries | 5,400 |  |
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries | 300 |  |
Operating Loss Carryforwards | 1,600 |  |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |
Operating Loss Carryforwards | 34,300 |  |
Operating Loss Carryforwards Subject to Expiration | 26,900 |  |
State and Local Jurisdiction [Member] |  |  |
Operating Loss Carryforwards Subject to Expiration | $ 45,500 |  |

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