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Cash and Cash Equivalents and Restricted Cash
12 Months Ended
Dec. 31, 2023
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents and Restricted Cash

(4) Cash and Cash Equivalents and Restricted Cash

As of December 31, 2023 and 2022, the Company's cash, cash equivalents, and restricted cash consisted of financial deposits. Cash, cash equivalents and restricted cash held within the U.S. totaled $13.4 million and $24.9 million as of December 31, 2023 and December 31, 2022, respectively. Cash and cash equivalents held within the U.S. are held at FDIC insured depository institutions. Cash, cash equivalents and restricted cash held outside the U.S. totaled $7.5 million and $13.6 million as of December 31, 2023 and December 31, 2022, respectively. Restricted cash consisted primarily of cash collateral for letters of credit and performance bonds. Long term restricted cash was $0.1 million as of both December 31, 2023 and December 31, 2022, and is included in other assets on the consolidated balance sheets.