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RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Related Party [Abstract]    
Salaries, wages, and other benefits $ 3,753 $ 2,800
Bonuses 1,052 787
Share-based compensation 1,965 7,487
Key management personnel compensation $ 6,770 $ 11,074