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Share-based Compensation (Details) - Schedule of Non-cash, Share-based Compensation Expense - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expenses $ 114 $ 204 $ 686 $ 556
General and Administrative        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expenses 114 163 526 423
Research and Development        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total expenses $ 41 $ 160 $ 133