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Marketable Securities
 6 Months Ended
Jun. 30, 2015
Marketable Securities [Abstract]  
Marketable Securities

Note 3 - Marketable Securities

The Company's investment in marketable securities as of December 31, 2014 and June 30, 2015 are classified as "held-to-maturity" and consist of the following:

Gross

Gross

      

unrealized

unrealized

      

Amortized

holding

holding

  

Aggregate

  

cost basis**

gains

(losses)

  

fair value*

  
   

US$ thousands

  

At June 30, 2015

                       

Held to maturity:

                       

Corporate debt securities 

                        

Current

    8,705       -       (118 )     8,587  

Non-Current

    29,596       2       (239 )     29,359  
                                 
      38,301       2       (357 )     37,946  
                                 

At December 31, 2014

                                

Held to maturity:

                               

Corporate debt securities 

                                

Current

    15,328       -       (69 )     15,259  

Non-Current

    20,536       -       (271 )     20,265  
                                 
      35,864       -       (340 )     35,524  

 

*

Fair value is being determined using quoted market prices in active markets (Level 1).

 
  

**

Including accrued interest in the amount of US$ 339 thousands and US$ 315 thousands as of December 31, 2014 and June 30, 2015 respectively.

 

Activity in marketable securities in six month period ended in June 30, 2015:

US$ thousands

  

Balance at January 1, 2015

   35,864  
         

Purchases of marketable securities

  12,935  

Discount of marketable securities

    (298 )

Proceeds from maturity of marketable securities

    (10,200 )

Balance at June 30, 2015

     38,301  

 

The following table summarizes the gross unrealized losses on investment securities for which other-than-temporary impairments have not been recognized and the fair value of those securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2015:

Less than 12 months

12 months or more

   

Total

 

Unrealized Losses

Fair value

    

Unrealized Losses

    

Fair value

   

Unrealized Losses

   

Fair value

 

Held to maturity

                           

Corporate debt securities

   

(90

)

   

11,336

      

(267

)

   

25,076

      

(357

)

   

36,412

  

 

The unrealized losses on the investments were caused by changes in interest rate. The Company has the ability and intent to hold these investments until maturity and it is more likely than not that the Company will not be required to sell any of the securities before recovery; therefore these investments are not considered other than temporarily impaired.