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ACQUISITIONS (Details Textual)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 13, 2014
USD ($)
Oct. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jul. 29, 2014
USD ($)
Jul. 29, 2014
GBP (£)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
GBP (£)
Dec. 31, 2014
USD ($)
Business Acquisition [Line Items]                  
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset             $ 126,000   $ 0
Payments to Acquire Businesses, Net of Cash Acquired             0   7,659,000
Selling, General and Administrative Expense             23,969,000   23,064,000
Exhaust Technologies Inc. [Member]                  
Business Acquisition [Line Items]                  
Business Combination, Consideration Transferred             10,377,000    
Universal Air Tool Company Limited [Member]                  
Business Acquisition [Line Items]                  
Business Combination Contingent Consideration Fair Value | £         £ 250,000        
Business Combination, Consideration Transferred             1,947,000    
Business Combination, Consideration Transferred, Other       $ 425,000          
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset     $ 224,000     $ 299,000 $ 299,000 £ 193,435  
Other Nonoperating Expense           $ 75,000      
Payments to Acquire Businesses, Net of Cash Acquired   $ 299,000              
Universal Air Tool Company Limited [Member] | Foreign Exchange [Member]                  
Business Acquisition [Line Items]                  
Business Combination, Consideration Transferred | £         £ 250,000        
Air Tool Service Company [Member]                  
Business Acquisition [Line Items]                  
Business Combination, Consideration Transferred $ 7,659,000                
Air Tool Service Company [Member] | Acquisition-related Costs [Member]                  
Business Acquisition [Line Items]                  
Selling, General and Administrative Expense                 $ 764,000