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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Prepaid Expenses and Other Current Assets    
Surgical implant inventory and robotic system parts $ 288  
Deposits 32  
Deferred issuance costs of Common Stock Purchase Agreement (see Note 8)   $ 146
Advance paid to vendor for supply development contract   163
Others 305 355
Prepaid expenses and other current assets $ 625 $ 664