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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 14,857 $ 13,128
Less: accumulated depreciation (8,522) (7,203)
Total property, plant and equipment, net 6,335 5,925
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 50 47
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 2,547 2,293
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 10,187 8,970
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 430 421
Computer Hardware And Software [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 1,097 1,027
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 528 352
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 18 $ 18