Quarterly report pursuant to Section 13 or 15(d)

PREPAID EXPENSES AND OTHER ASSETS (Details)

v3.21.2
PREPAID EXPENSES AND OTHER ASSETS (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid license $ 0 $ 403
Prepaid insurance premiums 2,748 4,241
Spare parts 2,219 2,376
Cash held in escrow by AMAK 0 1,877
Other prepaid expenses and assets 1,676 301
Total prepaid expenses and other assets $ 6,643 $ 9,198