8.Cash, Cash Equivalents and Short-Term Investments

Cash, cash equivalents and short-term investments for the periods presented consist of the following (in thousands):

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Cash equivalents and short-term investments include the following securities with gross unrealized gains and losses (in thousands):

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As of September 30, 2024 and December 31, 2023, our cash equivalents and short-term investments had a weighted-average time to maturity of approximately 39 days and 82 days, respectively. Our short-term investments are classified as available-for-sale securities. Accordingly, we have classified these securities as short-term investments on our condensed balance sheets as they are available for use in the current operations. As of September 30, 2024 and December 31, 2024, there were no individual securities that were in a significant unrealized loss position, and the individual securities with unrealized position have been in a loss position for less than one year. We regularly review the securities in an unrealized loss position and evaluate the current expected credit loss by considering factors such as historical experience, market data, issuer-specific factors, and current economic conditions. We have not recognized any credit losses as of September 30, 2024 and December 31, 2023.