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Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2017
Fair Value of Financial Instruments [Abstract]  
Assets and Liabilities Measured at Fair Value
The following table presents assets and liabilities measured at fair value at March 31, 2017:

(in thousands)
 
Quoted Prices
in Active Markets
for Identical Assets
(Level 1)
  
Significant
Other Observable
Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
  
Total
 
             
Money market funds
 
$
12,145
  
$
-
  
$
-
  
$
12,145
 
Foreign exchange contracts
  
-
   
71
   
-
   
71
 
Total assets
 
$
12,145
  
$
71
  
$
-
  
$
12,216
 
                 
Foreign exchange contracts
 
$
-
  
$
(36
)
 
$
-
  
$
(36
)
Contingent consideration
  
-
   
-
   
(1,508
)
  
(1,508
)
Total liabilities
 
$
-
  
$
(36
)
 
$
(1,508
)
 
$
(1,544
)

The following table presents assets and liabilities measured at fair value at December 31, 2016:

(in thousands)
 
Quoted Prices
in Active Markets
for Identical Assets
(Level 1)
  
Significant
Other Observable
Inputs
(Level 2)
  
Significant
Unobservable
Inputs
(Level 3)
  
Total
 
             
Money market funds
 
$
16,435
  
$
-
  
$
-
  
$
16,435
 
Foreign exchange contracts
  
-
   
141
   
-
   
141
 
Total assets
 
$
16,435
  
$
141
  
$
-
  
$
16,576
 
                 
Foreign exchange contracts
 
$
-
  
$
(20
)
 
$
-
  
$
(20
)
Contingent consideration
  
-
   
-
   
(2,105
)
  
(2,105
)
Total liabilities
 
$
-
  
$
(20
)
 
$
(2,105
)
 
$
(2,125
)