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Marketable Securities
12 Months Ended
Dec. 31, 2012
Marketable Securities [Abstract]  
Marketable Securities
NOTE 3:-          MARKETABLE SECURITIES
 
The following is a summary of marketable securities at December 31, 2011 and 2012:

   
2011
   
2012
 
   
Amortized
 
Gross unrealized
   
Fair
market
 
Amortized
 
Gross unrealized
   
Fair
market
 
   
Cost
 
gains
   
value
 
cost
 
gains
   
value
 
                                 
Corporate debentures
  $ 204     $ 15     $ 219     $ 204     $ 99     $ 303  
Government bonds
    12,784       378       13,162       3,515       250       3,765  
                                                 
    $ 12,988     $ 393     $ 13,381     $ 3,719     $ 349     $ 4,068  

Aggregate maturities of marketable securities for years subsequent to December 31, 2012 are:

   
Amortized cost
   
Gross unrealized gain
   
Fair market value
 
                   
Less than 1 year
  $ -     $ -     $ -  
1-3 years
    3,515       250       3,765  
3-5 years
    91       46       137  
More than 5 years
    113       53       166  
                         
    $ 3,719     $ 349     $ 4,068  

During 2012, the Company recorded net proceeds from sales of these securities in amount of $ 9,717 and income from sale of marketable securities in an amount of $ 57.

As of December 31, 2011 and 2012, interest receivable amounted to $ 213 and $ 81, respectively, and is included within other accounts receivable in the balance sheets.