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ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued payroll expenses $ 1,222 $ 1,037
Other accrued liabilities 1,451 895
Total accrued expenses $ 2,673 $ 1,932