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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2018
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, 2018 and December 31, 2017 according to the three-level fair value hierarchy.

 

 

Fair Value Measurements at
December 31, 2018 Using

(In thousands)

 

Balance
December 31, 2018

 

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

 

$

9,458

 

 

$

—

 

 

$

9,458

 

 

$

—

 

Corporate debt securities and certificates of deposit

 

2,537

 

 

—

 

 

2,537

 

 

—

 

Asset backed securities

 

4,038

 

 

—

 

 

4,038

 

 

—

 

Equity security

 

60

 

 

60

 

 

—

 

 

—

 

Total marketable securities

 

$

16,093

 

 

$

60

 

 

$

16,033

 

 

$

—

  

 

 

 

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

 

 

$

—