Quarterly report pursuant to Section 13 or 15(d)

PREPAID EXPENSES AND OTHER ASSETS

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PREPAID EXPENSES AND OTHER ASSETS
6 Months Ended
Jun. 30, 2018
Prepaid Expense and Other Assets, Current [Abstract]  
PREPAID EXPENSES AND OTHER ASSETS
PREPAID EXPENSES AND OTHER ASSETS

Prepaid expenses and other assets consisted of the following:
 
 
June 30, 2018

 
December 31, 2017

 
 
(thousands of dollars)
Prepaid license
 
$
1,919

 
$
1,919

Prepaid catalyst
 
682

 
779

Prepaid insurance
 
115

 

Spare parts
 
1,349

 
954

Other prepaid expenses and assets
 
1,123

 
772

Total
 
$
5,188

 
$
4,424