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INVENTORIES
 12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories include the following at December 31:
20202019
(thousands of dollars)
Raw material$2,580 $2,100 
Work in process138 142 
Finished products10,227 11,382 
Total inventory$12,945 $13,624 
Inventory serves as collateral for our amended and restated loan agreement with a domestic bank (see Note 13).
Inventory included products in transit valued at approximately $3.6 million and $2.9 million at December 31, 2020 and 2019, respectively.