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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2017
FAIR VALUE MEASUREMENTS [Abstract]  
Fair Value Measurements For Marketable Securities And Foreign Exchange Forward Contracts The following provides information regarding fair value measurements for our marketable securities as of December 31, 2017 and December 31, 2016 according to the three-level fair value hierarchy.

 

 

Fair Value Measurements at
December 31, 2017 Using

(In thousands)

 

Balance
December 31, 2017

 

Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)

 

Significant
Other Observable Inputs
(Level 2)

 

Significant
Unobservable Inputs
(Level 3)

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

9,136

 

 

$

 

 

$

9,136

 

 

$

 

Corporate debt securities and certificates of deposit

 

2,967

 

 

 

 

2,967

 

 

 

Asset backed securities

 

3,543

 

 

 

 

3,543

 

 

 

Equity security

 

97

 

 

97

 

 

 

 

 

Total marketable securities

 

$

15,743

 

 

$

97

 

 

$

15,646

 

 

$

  

 

 

 

 

Fair Value Measurements at
December 31, 2016 Using

(In thousands)

 

Balance
December 31, 2016

 

Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)

 

Significant
Other Observable Inputs
(Level 2)

 

Significant
Unobservable Inputs
(Level 3)

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. government and agency obligations

 

$

9,812

 

 

$

 

 

$

9,812

 

 

$

 

Corporate debt securities and certificates of deposit

 

3,620

 

 

 

 

3,620

 

 

 

Asset backed securities

 

1,736

 

 

 

 

1,736

 

 

 

Equity security

 

53

 

 

53

 

 

 

 

 

Total marketable securities

 

$

15,221

 

 

$

53

 

 

$

15,168

 

 

$