Quarterly report pursuant to Section 13 or 15(d)

PLANT, PIPELINE AND EQUIPMENT (Details)

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PLANT, PIPELINE AND EQUIPMENT (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 129,790,000   $ 129,790,000   $ 113,130,000
Less accumulated depreciation (43,138,000)   (43,138,000)   (39,319,000)
Net plant, pipeline and equipment 86,652,000   86,652,000   73,811,000
Interest capitalized for construction 56,000 $ 0 95,000 $ 0  
Amortization relating to the platinum catalyst 21,067 $ 21,067 42,135 $ 42,135  
Platinum catalyst [Member]          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 1,612,000   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   4,577,000
Plant, pipeline and equipment [Member]          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 97,576,000   97,576,000   95,351,000
Construction in progress [Member]          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 26,025,000   $ 26,025,000   $ 11,590,000