Quarterly report pursuant to Section 13 or 15(d)

INVESTMENT IN AMAK (Held-for-Sale) - Equity in the Income or Loss of Equity Method Investment (Details)

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INVESTMENT IN AMAK (Held-for-Sale) - Equity in the Income or Loss of Equity Method Investment (Details) - AMAK - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Schedule of Equity Method Investments [Line Items]    
AMAK Net Loss $ (2,611) $ (1,183)
Percentage of Ownership 33.30% 33.40%
Company's share of loss reported by AMAK $ (869) $ (395)
Amortization of difference between Company's investment in AMAK and Company's share of net assets of AMAK 337 337
Equity in losses of AMAK $ (532) $ (59)