Note 3 - Investments

As of March 31, 2024, the Company had two money market accounts and available-for-sale investments with contractual maturities of three months or less categorized as cash and cash equivalents and available-for-sale investments with contractual maturities of three months to one year categorized as investments invested as follows:

As of March 31, 2024, there were no available-for-sale securities in an unrealized-loss position. U.S. Treasury Bills classified as investments on the condensed consolidated balance sheet as of  March 31, 2024 were approximately $986,000.

As of  December 31, 2023 the Company had two money market accounts and available-for-sale investments with contractual maturities of three months or less categorized as cash and cash equivalents as follows:

As of December 31, 2023, there were no available-for-sale securities in an unrealized-loss position. There were no U.S. Treasury Bills classified as investments on the condensed consolidated balance sheet as of  December 31, 2023.

See Note 2 for additional discussion regarding the Company’s fair value measurements.