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Note 11 - Derivatives and Hedging Activities (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
   
March
3
1
,
   

December 31,
 
   
201
9
(Unaudited)
   
201
8
 
 
Derivative
assets
:
 
 
 
 
 
 
 
 
Derivatives designated as cash flow hedging instruments:
               
Foreign exchange option contracts
  $
2
    $
 
Foreign exchange forward contracts
   
54
     
 
Total
  $
56
    $
 
                 
Derivative liabilities
:
 
 
 
 
 
 
 
 
Derivatives designated as cash flow hedging instruments:
               
Foreign exchange option contracts
  $
    $
14
 
Foreign exchange forward contracts
   
     
63
 
Total
  $
    $
77
 
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   
Three months ended

March
3
1
,
 
   
201
9
(unaudited)
   
201
8
(unaudited)
 
Derivatives designated as cash flow hedging instruments:
               
Foreign exchange option contracts
  $
16
    $
(19
)
Foreign exchange forward contracts
   
190
     
(5
)
    $
206
    $
(24
)
Schedule of Net Investment Hedges in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   
Three months ended

M
arch
3
1
,
 
   
201
9
(unaudited)
   
201
8
(unaudited)
 
Derivatives designated as cash flow hedging instruments:
               
Foreign exchange option contracts
  $
    $
14
 
Foreign exchange forward contracts
   
(73
)    
5
 
    $
(73
)   $
19