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ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
ACCRUED EXPENSES    
Salaries, wages and employee benefits $ 4,494 $ 5,775
Federal and state tax accruals 1,406 1,898
Other 1,413 1,693
Total accrued expenses $ 7,313 $ 9,366