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ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
ACCRUED EXPENSES    
Salaries, wages and employee benefits $ 5,532 $ 3,668
Federal and state tax accruals 1,677 1,648
Other 1,129 1,202
Total accrued expenses $ 8,338 $ 6,518