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

Nine months ended
September 30,

  

Three months ended
September 30,

 
  

2021

(unaudited)

  

2020

(unaudited)

  

2021

(unaudited)

  

2020

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $  $(22) $  $3 

Foreign exchange forward contracts

  65   506   29   124 
  $65  $484  $29  $127 
Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Nine months ended
September 30,

  

Three months ended
September 30,

 
  

2021

(unaudited)

  

2020

(unaudited)

  

2021

(unaudited)

  

2020

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $  $11  $  $ 

Foreign exchange forward contracts

  (65)  (525)  (29)  (352)
  $(65) $(514) $(29) $(352)