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WARRANTIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Product Warranties Disclosures [Abstract]    
Beginning balance $ 760 $ 824
Warranty provisions 242 198
Warranty claims (330) (293)
Adjustments to preexisting warranties 551 31
Ending balance $ 1,223 $ 760