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STOCKHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Changes in Accumulated Other Comprehensive Income (Loss)
The changes in accumulated other comprehensive income (loss) are included in the table below.
 
Year Ended December 31, 2018
 
Unrealized Gains
and Losses on
Available-for Sale
Securities         
 
Foreign
Currency
Items    
 
Total    
  
(in thousands)
Beginning balance
$
(23
)
 
$
122

 
$
99

Amounts reclassified from accumulated other comprehensive income (loss)
17

 


 
17

Ending balance
$
(6
)
 
$
122

 
$
116