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RELATED PARTY TRANSACTIONS (Details) - Consulting arrangement - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 22, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Matt Mahmood          
RELATED PARTY TRANSACTIONS          
Expenses incurred   $ 17 $ 30 $ 29 $ 75
William Murray          
RELATED PARTY TRANSACTIONS          
Term of consulting agreement 3 months        
Maximum daily consulting fee $ 2        
Expenses incurred   $ 32   $ 68