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CASH, CASH EQUIVALENTS AND INVESTMENTS - Available-for-Sale Securities (Details) $ in Thousands | 12 Months Ended
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Jan. 31, 2024 USD ($)
Cash and Cash Equivalents |
Interest receivable | $ 1,300
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current, Statement of Financial Position [Extensible Enumeration] | Investments
Net unrealized holding losses for the Company's AFS securities | $ 200
Proceeds from sale of debt securities, available-for-sale | 0
Amounts of gains or losses reclassified out of other comprehensive income | 0
Available-for-sale securities |
Amortized Cost | 105,623
Gross Unrealized Gains | 568
Gross Unrealized Losses | 307
Fair Value | 105,884
US Treasury notes |
Available-for-sale securities |
Amortized cost, Due in one to two years | 50,634
Amortized Cost, Due in two to three years | 45,583
Gross Unrealized Gains, Due in one to two years | 305
Gross Unrealized Gains, Due in two to three years | 263
Gross Unrealized Losses, Due in one to two years | 102
Gross Unrealized Losses, Due in two to three years | 128
Fair Value, Due in one to two years | 50,837
Fair Value, Due in two to three years | 45,718
U.S. corporate debt security |
Available-for-sale securities |
Amortized Cost, Due in two to three years | 9,406
Gross Unrealized Losses, Due in two to three years | 77
Fair Value, Due in two to three years | $ 9,329
Minimum |
Cash and Cash Equivalents |
Available-for-sale securities term | 2 years
Maximum |
Cash and Cash Equivalents |
Available-for-sale securities term | 3 years

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