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GOODWILL (Tables)
 9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes to the carrying amount of goodwill
The changes to the carrying amount of goodwill during the period are summarized below:
 
 
 
Goodwill balance at December 31, 2016
$
16,097

Adjustment due to recognition of tax benefit of tax amortization of certain goodwill
(450
)
Adjustment due to exchange rate differences
1,937

Goodwill impairment
(17,584
)
 
 
Goodwill balance at September 30, 2017
$
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