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Accumulated Other Comprehensive Income (Loss) (Tables)
 6 Months Ended
Jun. 30, 2019
Accumulated Other Comprehensive Income / (Loss) [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2019
 
2018
 
2019
 
2018
 
(dollars in thousands)
Beginning Balance
$
(5
)
 
$
(7
)
 
$
(5
)
 
$
(8
)
Foreign currency translation
2

 
—

 
2

 
1

Ending Balance
$
(3
)
 
$
(7
)
 
$
(3
)
 
$
(7
)