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Cash and Cash Equivalents (Tables)
3 Months Ended
Mar. 31, 2025
Cash and Cash Equivalents [Abstract]  
Schedule of Cash and Cash Equivalents
Cash and cash equivalents consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Savings and checking accounts at major U.S. financial institutions$94 $428 
U.S. Treasury securities money market fund835 2,162 
Total$929 $2,590