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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
 3 Months Ended
Mar. 31, 2017
Equity [Abstract]  
Schedule of accumulated other comprehensive income (loss)
Accumulated other comprehensive income consists of the following (in thousands):
 
Minimum pension liability
 
Foreign currency translation
 
Total accumulated other comprehensive income
Balances at December 31, 2016
$
(501
)
 
$
598

 
$
97

Current period other comprehensive income (loss)
—

 
56

 
56

Balances at March 31, 2017
$
(501
)
 
$
654

 
$
153