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Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 8,634 $ 7,963
Accumulated depreciation (7,792) (7,390)
Total property, plant and equipment from continuing operations, net 842 573
Depreciation charge from continuing operations for the year 443 491
Machinery & Equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 4,132 3,902
Accumulated depreciation (3,707) (3,650)
Office Equipment and Furniture    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,944 2,899
Accumulated depreciation (2,703) (2,614)
Computer Equipment and Licenses    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 1,558 1,162
Accumulated depreciation $ (1,382) $ (1,126)