XML 37 R24.htm IDEA: XBRL DOCUMENT v3.3.1.900
PROPERTY, PLANT AND EQUIPMENT (Tables)
12 Months Ended
Dec. 31, 2015
PROPERTY, PLANT AND EQUIPMENT  
Schedule of property, plant and equipment
December 31,   Estimated
Useful Lives
  2015     2014  
(in thousands)                
Land   N/A   $ 657     $ 657  
Buildings   7-40     17,586       17,237  
Operating equipment and property   3-15     10,843       9,981  
Furniture and fixtures   5-7     2,141       1,978  
Vehicles   5-10     6,697       4,217  
Gross property, plant and equipment         37,924       34,070  
Less: accumulated depreciation         (25,163 )     (24,180 )
Net property, plant and equipment       $ 12,761     $ 9,890