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Other Current Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Other Current Liabilities    
Accrued accounts payable $ 130 $ 112
Accrued employee compensation and benefits 532 614
Other current liabilities 41 38
Accrued Liabilities, Current, Total $ 703 $ 764