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Note 12 - Derivatives and Hedging Activities (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
  

Six months ended
June 30,

  

Three months ended
June 30,

 
  

2021

(unaudited)

  

2020

(unaudited)

  

2021

(unaudited)

  

2020

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $  $(25) $1  $3 

Foreign exchange forward contracts

  36   382   85   153 
  $36  $357  $86  $156 
Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Six months ended
June 30,

  

Three months ended
June 30,

 
  

2021

(unaudited)

  

2020

(unaudited)

  

2021

(unaudited)

  

2020

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $  $11  $  $11 

Foreign exchange forward contracts

  (36)  (173)  (58)  (173)
  $(36) $(162) $(58) $(162)