Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT (Details)

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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment    
Property, plant and equipment, gross $ 13,479 $ 14,229
Less accumulated depreciation (13,144) (12,517)
Property, plant and equipment, net 335 1,712
Buildings and improvements    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 474 582
Buildings and improvements | Minimum    
Property, Plant and Equipment    
Estimated Useful Lives 5 years  
Buildings and improvements | Maximum    
Property, Plant and Equipment    
Estimated Useful Lives 39 years  
Machinery and equipment    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 4,078 3,969
Machinery and equipment | Minimum    
Property, Plant and Equipment    
Estimated Useful Lives 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment    
Estimated Useful Lives 12 years  
Furniture and fixtures    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 8,668 9,236
Furniture and fixtures | Minimum    
Property, Plant and Equipment    
Estimated Useful Lives 2 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment    
Estimated Useful Lives 10 years  
Construction-in-Progress    
Property, Plant and Equipment    
Property, plant and equipment, gross $ 259 $ 442