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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]    
Salaries, commissions, and benefits $ 4,800 $ 4,285
Severance 314 174
Sales, use, payroll, and income taxes 2,088 2,291
Fees for professional services 658 673
Deferred revenue 178 57
Other accruals 1,203 698
Total accrued expenses and other current liabilities $ 9,241 $ 8,178