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Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Jan. 31, 2025 | Jan. 31, 2024
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Income Taxes |  |
Accrued liabilities not currently deductible | $ 10,326 | $ 11,736
Accumulated losses | 2,813 | 2,397
Difference between tax and accounting basis of property and equipment | 9,653 | 9,088
Research and development expenditures and tax credits | 9,683 | 7,680
Total deferred income tax assets | 32,475 | 30,901
Difference between tax and accounting basis of intangible assets | (53,346) | (42,423)
Temporary difference on equity derivative and related party debt | (6,990) | (5,513)
Total deferred income tax liabilities | (60,336) | (47,936)
Net deferred income taxes | (27,861) | (17,035)
Valuation allowance | (2,464) | (1,969)
Net deferred income taxes, net of valuation allowance | $ (30,325) | $ (19,004)

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