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Other comprehensive income (loss) and accumulated other comprehensive items (Tables)
12 Months Ended
Dec. 31, 2014
Other comprehensive income (loss) and accumulated other comprehensive items  
Summary of other comprehensive income (loss) and the changes in accumulated other comprehensive items

 

                                                                                                                                                                                    

 

 

Unrealized
Gains On
Marketable
Securities

 

Foreign
Currency
Translation

 

Total
Accumulated
Other
Comprehensive
Items

 

Balance at December, 2011

 

$

 

$

 

$

 

Other comprehensive income/(loss) before reclassifications

 

 

 

 

 

 

 

Amounts reclassified from other comprehensive items

 

 

 

 

 

 

 

Other comprehensive income/(loss)

 

 

 

 

 

 

—  

 

​  

​  

​  

​  

​  

​  

Balance at December 31, 2012

 

$

 

$

 

$

 

Other comprehensive income before reclassifications

 

 

70

 

 

 

 

70

 

Amounts reclassified from other comprehensive items

 

 

 

 

 

 

—  

 

​  

​  

​  

​  

​  

​  

Other comprehensive income

 

 

70

 

 

 

 

70

 

​  

​  

​  

​  

​  

​  

Balance at December 31, 2013

 

$

70

 

$

 

$

70

 

Other comprehensive loss before reclassifications

 

 

(457

)

 

(350

)

 

(807

)

Amounts reclassified from other comprehensive items

 

 

 

 

 

 

—  

 

​  

​  

​  

​  

​  

​  

Other comprehensive loss

 

 

(387

)

 

(350

)

 

(737

)

​  

​  

​  

​  

​  

​  

Balance at December 31, 2014

 

$

(387

)

$

(350

)

$

(737

)

​  

​  

​  

​  

​  

​