Annual report pursuant to Section 13 and 15(d)

PREPAID EXPENSES AND OTHER ASSETS

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PREPAID EXPENSES AND OTHER ASSETS
 12 Months Ended
Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]  
PREPAID EXPENSES AND OTHER ASSETS PREPAID EXPENSES AND OTHER ASSETS
Prepaid expenses and other assets at December 31 are summarized as follows:
2021 2020
(thousands of dollars)
Prepaid license $ 500  $ 403 
Prepaid insurance 1,145  4,241 
Spare parts 2,114  2,376 
Cash held by AMAK for foreign taxes (see Note 6) —  1,877 
Other prepaid expenses and assets 554  301 
Total $ 4,313  $ 9,198