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INVENTORIES
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consisted of the following:
 June 30, 2021December 31, 2020
 (thousands of dollars)
Raw material$2,713 $2,580 
Work in process181 138 
Finished products12,746 10,227 
Total inventories$15,640 $12,945 
Inventory serves as collateral for our amended and restated credit agreement. See Note 11.
Inventory included Specialty Petrochemicals products in transit valued at approximately $3.8 million and $3.6 million at June 30, 2021 and December 31, 2020, respectively.