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Liquidity and Capital Resources (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Liquidity And Capital Resources [Abstract]        
Working capital $ 4,794      
Net assets 6,737 $ 6,428 $ 7,867 $ 21,266
Net cash used in operating activities 1,635 (290) $ (5,646)  
Unrestricted cash and cash equivalents $ 1,123 $ 274