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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Salaries, commissions and benefits $ 4,887 $ 5,226
Severance 1,374 0
Sales, use, transaction and income taxes 708 101
Fees for professional services 697 923
Deferred revenue 56 237
Other accruals 1,262 772
Total accrued expenses and other current liabilities $ 8,984 $ 7,259