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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
 9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Schedule of accumulated other comprehensive income (loss)
Accumulated other comprehensive income consisted of the following (in thousands):
 
Minimum Pension Liability
 
Foreign Currency Translation
 
Total Accumulated Other Comprehensive Income
Balances at December 31, 2017
$
(489
)
 
$
721

 
$
232

Current period other comprehensive loss
—

 
(16
)
 
(16
)
Balances at September 30, 2018
$
(489
)
 
$
705

 
$
216