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ACCRUED LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
ACCRUED LIABILITIES    
Warranty liability $ 3,078 $ 3,027
Litigation reserve 325 570
Federal and state taxes payable 1,761 2,252
Accrued expenses & other accrued liabilities 3,644 3,307
Total $ 8,808 $ 9,156