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Note 5 - Derivative Instruments and Hedging Activities (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
Maturity date (Dollar amounts in thousands of U.S. dollars)
 
Notional
amount of U.S.
dollars
   
Weighted
average
exchange rate
of U.S. dollars
   
Fair value
 
                         
October - December 2018
    
6,049
      
1.2802
      
(50
 )
January - March 2019
    
1,639
      
1.2852
      
(4
 )
April - June 2019
    
1,599
      
1.2831
      
(4
 )
July - September 2019
    
1,444
      
1.2809
      
(4
 )
    $
10,731
      
1.2815
     $
(62
 )
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
 
 
 
 
As of
September 30,
2018
 
 
As of
December 31,
2017
 
Derivatives (Dollar amounts in thousands of U.S. dollars)
 
Balance
Sheet
Location
 
Fair Value
Asset
(Liability)
 
 
Fair Value
Asset
(Liability)
 
 
 
 
 
 
 
 
 
 
 
 
Foreign currency forward contracts designated as cash flow hedges (net)
 
Derivative instruments
 
$
(55
)
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
Foreign currency forward contracts not designated as cash flow hedges (net)
 
Derivative instruments
 
$
(7
)
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
Total foreign currency forward contracts (net)
 
Derivative instruments
 
$
(62
)
 
$
-
 
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
Gains and
losses on cash
flow hedges
 
 
Tax impact
 
 
Total AOCI
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Opening AOCI balance – June 30. 2018
 
$
(321
) 
 
$
78
  
 
$
(243
) 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other comprehensive income (loss) before reclassifications
 
 
183
  
 
 
(39
)
 
 
144
  
Amount reclassified from AOCI
 
 
83
 
 
 
(20
)
 
 
63
 
Other comprehensive income (loss) for the three months ended September 30, 2018
 
 
266
  
 
 
(59)
 
 
 
207
  
 
 
 
 
 
 
 
 
 
 
 
 
 
Ending AOCI balance – September 30, 2018
 
$
(55
)
 
$
19
 
 
$
(36
)
 
 
Gains and
losses on cash
flow hedges
 
 
Tax impact
 
 
Total AOCI
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Opening AOCI balance – December 31, 2017
 
$
—
 
 
$
—
 
 
$
—
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other comprehensive income (loss) before reclassifications
 
 
(155
)
 
 
43
 
 
 
(112
)
Amount reclassified from AOCI
 
 
100
 
 
 
(24
)
 
 
76
 
Other comprehensive income (loss) for the nine months ended September 30, 2018
 
 
(55
)
 
 
19
 
 
 
(36
)
 
 
 
 
 
 
 
 
 
 
 
 
 
Ending AOCI balance – September 30, 2018
 
$
(55
)
 
$
19
 
 
$
(36
)
Derivative Instruments, Gain (Loss) [Table Text Block]
Derivatives in Cash Flow Hedging Relationship
 
Amount of
Gain or
(Loss)
Recognized
in OCI, net of
tax, on
Derivative
(Effective
Portion)
 
Location of
Gain or
(Loss)
Reclassified
from
AOCI into
Income
(Effective
Portion)
 
Amount of
Gain or
(Loss)
Reclassified
from
AOCI into
Income,
(Effective
Portion)
 
Location of
Gain or (Loss)
Recognized in
Income on
Derivative
(ineffective
Portion and
Amount
Excluded from
Effectiveness
Testing)
 
Amount of
Gain or
(Loss)
Recognized
in Income on
Derivative
(ineffective
Portion and
Amount
Excluded
from
Effectiveness
Testing)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating expenses
 
$
(71
)
Operating expenses
 
$
—
 
Foreign currency forward contracts for the three months ended September 30, 2018
 
$
207
  
Cost of revenues
 
$
(12
)
Cost of revenues
 
 
—
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating expenses
 
$
432
 
Operating expenses
 
$
—
 
Foreign currency forward contracts for the three months ended September 30, 2017
 
$
(9
)
Cost of revenues
 
$
66
 
Cost of revenues
 
 
—
 
Derivatives in Cash Flow Hedging Relationship
 
Amount of
Gain or
(Loss)
Recognized
in OCI, net of
tax, on
Derivative
(Effective
Portion)
 
Location of
Gain or
(Loss)
Reclassified
from
Accumulated
OCI into
Income
(Effective
Portion)
 
Amount of
Gain or
(Loss)
Reclassified
from
Accumulated
OCI into
Income,
(Effective
Portion)
 
Location of
Gain or (Loss)
Recognized in
Income on
Derivative
(ineffective
Portion and
Amount
Excluded from
Effectiveness
Testing)
 
Amount of
Gain or
(Loss)
Recognized
in Income on
Derivative
(ineffective
Portion and
Amount
Excluded
from
Effectiveness
Testing)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating expenses
 
$
(87
)
Operating expenses
 
$
—
 
Foreign currency forward contracts for the nine months ended September 30, 2018
 
$
(36
)
Cost of revenues
 
$
(13
)
Cost of revenues
 
 
—
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Operating expenses
 
$
561
 
Operating expenses
 
$
—
 
Foreign currency forward contracts for the nine months ended September 30, 2017
 
$
222
 
Cost of revenues
 
$
91
 
Cost of revenues
 
 
—