Quarterly report pursuant to Section 13 or 15(d)

CONTINGENT EARN-OUT CONSIDERATION (Schedule of Changes in Present Value of Acquisition Related Contingent Earn-out Consideration) (Details)

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CONTINGENT EARN-OUT CONSIDERATION (Schedule of Changes in Present Value of Acquisition Related Contingent Earn-out Consideration) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Business Acquisition, Contingent Consideration [Line Items]        
Beginning Balance $ 3,286   $ 3,285  
Acquisitions 142   300  
Accretion of acquisition-related contingent consideration 32   57  
Change in the estimated fair value of contingent earn-out consideration $ (307) $ 242 $ (189) $ 369
Reclassification of payments due in next 12 months to short-term        
Payments $ (877)   $ (1,177)  
Ending Balance 2,276   2,276  
Short-Term Accrued Expenses [Member]        
Business Acquisition, Contingent Consideration [Line Items]        
Beginning Balance 2,251   1,575  
Acquisitions 88   176  
Accretion of acquisition-related contingent consideration 21   31  
Change in the estimated fair value of contingent earn-out consideration $ (293)   (213)  
Reclassification of payments due in next 12 months to short-term     798  
Payments $ (877)   (1,177)  
Ending Balance 1,190   1,190  
Long-Term Other Liabilities [Member]        
Business Acquisition, Contingent Consideration [Line Items]        
Beginning Balance 1,035   1,710  
Acquisitions 54   124  
Accretion of acquisition-related contingent consideration 11   26  
Change in the estimated fair value of contingent earn-out consideration $ (14)   24  
Reclassification of payments due in next 12 months to short-term     $ (798)  
Payments        
Ending Balance $ 1,086   $ 1,086