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BUSINESS ACQUISITIONS (Details) - USD ($)
$ in Thousands
6 Months Ended
Jan. 01, 2018
Jun. 30, 2018
Dec. 31, 2017
Purchase Price Consideration [Abstract]      
Cash payments $ 10,792    
Application Specialties, Inc. [Member]      
Business Combination [Abstract]      
Purchase price of acquisition in cash and stock 11,700    
Contingent consideration, maximum   $ 3,200 $ 4,600
Payment period of contingent consideration   3 years  
Contingent consideration, current   $ 1,400  
Pro Forma Information [Abstract]      
Sales   23,000  
Earnings before taxes   $ 2,600  
Purchase Price Consideration [Abstract]      
Cash payments 10,792    
Fair value of stock issued 894    
Present value of estimated fair value of contingent earn-out consideration 4,006    
Total purchase price consideration $ 15,692