Below is a detail of marketable securities (in thousands):


	March 31, 2023		December 31, 2022
Marketable securities	$	34,423	$	285
Total	$	34,423	$	285

At March 31, 2023 and December 31, 2022, the Company’s marketable securities consisted of investments in a publicly traded money market mutual fund with a ticket symbol SSPXX. The underlying money market instruments were primarily comprised of certificates of deposit and financial company asset backed commercial paper. At March 31, 2023 the investment portfolio had a weighted-average maturity of 45 days. At December 31, 2022 the investment portfolio had a weighted-average maturity of 48 days. The gain recognized in connection with the investment in marketable securities for the three months ended March 31, 2023 and 2022, was $0.1 million and $0.07 million, respectively and recorded as a component of interest income in the condensed consolidated statements of operations.