Quarterly report pursuant to Section 13 or 15(d)

PLANT, PIPELINE AND EQUIPMENT (Details)

v3.4.0.3
PLANT, PIPELINE AND EQUIPMENT (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Total plant, pipeline and equipment $ 151,074,000   $ 143,471,000
Less accumulated depreciation (48,687,000)   (46,564,000)
Net plant, pipeline and equipment 102,387,000   96,907,000
Interest capitalized for construction 31,000 $ 27,000  
Amortization relating to the platinum catalyst 21,067 $ 21,067  
Platinum Catalyst [Member]      
Property, Plant and Equipment [Line Items]      
Total plant, pipeline and equipment 1,612,000   1,612,000
Land [Member]      
Property, Plant and Equipment [Line Items]      
Total plant, pipeline and equipment 4,577,000   4,577,000
Plant, Pipeline and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Total plant, pipeline and equipment 130,081,000   128,302,000
Construction in Progress [Member]      
Property, Plant and Equipment [Line Items]      
Total plant, pipeline and equipment $ 14,804,000   $ 8,980,000