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Short-term Investments and Fair Value Measurements | 6 Months Ended
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Aug. 31, 2024
Short-Term Investments [Abstract] |
Short-term Investments and Fair Value Measurements | 3. Short-term Investments and Fair Value Measurements Short-term investments are securities with original maturities of greater than three months but less than twelve months and are comprised of U.S. Treasury Bills. The Company determines the classification of these securities as trading, available for sale or held to maturity at the time of purchase and re-evaluates these determinations at each balance sheet date. The Company's short-term investments are classified as held-to-maturity for the period presented as it has the positive intent and ability to hold these investments to maturity. The Company's held-to-maturity investments are stated at amortized cost with a zero credit loss allowance because the probability of default is virtually zero due to the high credit rating, long history of no credit losses and the widely recognized risk free nature of these investments. Amortized cost and estimated fair value of investment securities classified as held-to-maturity were as follows at August 31, 2024 and February 29, 2024 (in thousands):
|  |  |  | Gross |  | Gross |  |
|  | Cost or |  | Unrealized |  | Unrealized |  | Estimated
|  | Amortized |  | Holding |  | Holding |  | Fair
|  | Cost |  | Gains |  | Losses |  | Value
August 31, 2024 |  |  |  |  |  |  |  |
Investment securities due in less than one year |  | $22,655 |  | $- |  | $1 |  | $22,654
February 29, 2024 |  |  |  |  |  |  |  |
Investment securities due in less than one year |  | $29,325 |  | $- |  | $45 |  | $29,280
The Company’s short-term investments in investment securities are Level 1 fair value measure. The Company did not hold any Level 2 or 3 financial assets or liabilities measured at fair value on a recurring basis. There were no transfers between levels during the three and six months ended August 31, 2024.

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