Quarterly report pursuant to Section 13 or 15(d)

PLANT, PIPELINE AND EQUIPMENT (Details)

v3.7.0.1
PLANT, PIPELINE AND EQUIPMENT (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 173,291,000   $ 173,291,000   $ 143,471,000
Less accumulated depreciation (50,744,000)   (50,744,000)   (46,564,000)
Net plant, pipeline and equipment 122,547,000   122,547,000   96,907,000
Interest capitalized for construction 41,000 $ 56,000 72,000 $ 95,000  
Amortization relating to the platinum catalyst 25,488 $ 21,067 46,555 $ 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 5,376,000   5,376,000   4,577,000
Plant, Pipeline and Equipment [Member]          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 145,916,000   145,916,000   128,302,000
Construction in Progress [Member]          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 20,387,000   $ 20,387,000   $ 8,980,000