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3. Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Property Plant And Equipment Details    
Land $ 2,727 $ 2,753
Plant and Buildings 81,821 82,338
Furniture and fixtures 494 458
Machinery and equipment 4,052 4,063
Construction in progress 147 148
Total gross property, plant & equipment 89,241 89,760
Less accumulated depreciation (18,523) (13,950)
Total net property, plant & equipment $ 70,718 $ 75,810