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OTHER ACCRUED LIABILITIES - Schedule of Other Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accrued taxes $ 965 $ 1,815
Accrued interest expense 804 148
Accrued dividend payable 746 449
Accrued sales rebates 85 141
Accrued health insurance costs 67 67
Accrued warranty 59 56
Other 88 181
Total other accrued liabilities $ 2,814 $ 2,857