Annual report pursuant to Section 13 and 15(d)

TRADE RECEIVABLES (Details)

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TRADE RECEIVABLES (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Receivables [Abstract]    
Gross Trade Receivables, short-term $ 90,212 $ 88,798
Allowance for Doubtful Accounts (10,348) (10,944)
Net Trade Receivables $ 79,864 $ 77,854