Annual report pursuant to Section 13 and 15(d)

PREPAID EXPENSES AND OTHER ASSETS (Details)

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PREPAID EXPENSES AND OTHER ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid license $ 403 $ 1,209
Prepaid insurance 4,241 0
Spare parts 2,376 1,857
Insurance receivable 0 1,148
Cash held by AMAK 1,877 0
Other prepaid expenses and assets 301 733
Total $ 9,198 $ 4,947