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Fair Value Measurements And Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Schedule of amortized cost and market value of our available-for-sale securities by major security type

The amortized cost and market value of our available-for-sale securities by major security type were as follows (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2013

 

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bank certificates of deposit

 

$

—

 

$

2,639

 

$

—

 

$

2,639

 

 

 

$

—

 

$

2,639

 

$

—

 

$

2,639