Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

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STOCKHOLDERS' EQUITY ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)
 3 Months Ended
Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] The changes in accumulated other comprehensive loss by component for the first three months of 2018 were as follows (in thousands):
 
Foreign Currency Translation Adjustment
 
Unrealized Losses on Available-For-Sale Investments
 
Total
Balance, December 31, 2017
$
(386
)
 
$
(27
)
 
$
(413
)
Other comprehensive income (loss)
397

 
(11
)
 
386

Balance, March 31, 2018
$
11

 
$
(38
)
 
$
(27
)