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LEASES (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Leases [Abstract]        
Operating lease cost $ 169 $ 143 $ 508 $ 423
Finance lease cost        
Amortization of right-of-use asset 87 48 222 132
Interest on lease liabilities 12 10 38 29
Total finance lease cost $ 99 $ 58 $ 260 $ 161