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Note 11 - Derivatives and Hedging Activities (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
  

September 30,
2020

  

December 31,
2019

 
  

(unaudited)

     

Derivative assets:

        

Derivatives designated as cash flow hedging instruments:

        

Foreign exchange option contracts

 $3  $14 

Foreign exchange forward contracts

  23   42 

Total

 $26  $56 
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
  

Nine months ended
September 30,

  

Three months ended
September 30,

 
  

2020

(unaudited)

  

2019

(unaudited)

  

2020

(unaudited)

  

2019

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $(22) $62  $3  $33 

Foreign exchange forward contracts

  506   339   124   50 
  $484  $401  $127  $83 
Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

Nine months ended
September 30,

  

Three months ended
September 30,

 
  

2020

(unaudited)

  

2019

(unaudited)

  

2020

(unaudited)

  

2019

(unaudited)

 

Derivatives designated as cash flow hedging instruments:

                

Foreign exchange option contracts

 $11  $(34) $  $(27)

Foreign exchange forward contracts

  (525)  (270)  (352)  (90)
  $(514) $(304) $(352) $(117)