Quarterly report pursuant to Section 13 or 15(d)

PLANT, PIPELINE AND EQUIPMENT (Details)

v3.19.3
PLANT, PIPELINE AND EQUIPMENT (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 275,272,000   $ 275,272,000   $ 268,419,000
Less accumulated depreciation (84,927,000)   (84,927,000)   (73,762,000)
Net plant, pipeline and equipment 190,345,000   190,345,000   194,657,000
Capitalized labor costs   $ 100,000 100,000 $ 2,200,000  
Amortization relating to the platinum catalyst 200,000 $ 0 700,000 $ 0  
Platinum catalyst metal          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 1,580,000   1,580,000   1,612,000
Catalyst          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 4,387,000   4,387,000   3,131,000
Land          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 5,428,000   5,428,000   5,428,000
Plant, pipeline and equipment          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment 259,435,000   259,435,000   253,905,000
Construction in progress          
Property, Plant and Equipment [Line Items]          
Total plant, pipeline and equipment $ 4,442,000   $ 4,442,000   $ 4,343,000