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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Environmental Compliance and Remediation Liabilities      
Proceeds from sale of Cicero Avenue Facility $ 583 $ 676 $ 72
Liquidated Damages      
Liquidated damages   0 $ 0
Reserve for liquidated damages   $ 0  
Minimum      
Warranty Liability      
Term of warranty   1 year  
Maximum      
Warranty Liability      
Term of warranty   5 years