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ACQUISITION (Detail) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Aug. 07, 2015
Sep. 30, 2015
Dec. 31, 2014
Recognized amounts of identifiable assets acquired and liabilities assumed      
Goodwill   $ 37,260 $ 36,400
Saugatuck Technology Inc.      
Business Acquisition      
Aggregate cash and stock consideration (net of cash received) $ 700    
Contingent consideration higher range 1,300    
Contingent consideration lower range 0    
Preliminary allocable purchase price      
Cash 600    
Restricted stock 150    
Contingent consideration 986    
Total allocable purchase price $ 1,736    
Number of shares issued 33,784    
Share price $ 4.44    
Cash consideration paid at closing $ 500    
Recognized amounts of identifiable assets acquired and liabilities assumed      
Cash 63    
Accounts receivable 137    
Other assets 4    
Intangible assets 989    
Accrued expenses and other (564)    
Net assets acquired 629    
Goodwill 1,107    
Goodwill deductible for tax purpose 1,100    
Saugatuck Technology Inc. | Customer relationships      
Purchase price assigned to intangible assets and the amortization period      
Amortizable intangible assets $ 984    
Asset Life 15 years    
Saugatuck Technology Inc. | Non-compete      
Purchase price assigned to intangible assets and the amortization period      
Amortizable intangible assets $ 5    
Asset Life 3 years    
Saugatuck Technology Inc. | Selling, general and administrative      
Recognized amounts of identifiable assets acquired and liabilities assumed      
Acquisition related cost   $ 100