Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT Depreciation and Amortization (Details)

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PROPERTY, PLANT AND EQUIPMENT Depreciation and Amortization (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
PROPERTY, PLANT AND EQUIPMENT    
Depreciation expense $ 900 $ 1,700
Impairment charges $ 0 $ 0