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MARKETABLE SECURITIES (Tables)
6 Months Ended
Jun. 30, 2015
Available-For-Sale Securities  
Schedule of net realized gains and reclassification of net realized gains from other comprehensive income

Three months ended
  Six months ended  
  June 30,   June 30,  
(in thousands)   2015     2014     2015     2014  
Net realized gain   $ 11     $ -     $ 32     $ 2  
Reclassification of net realized gains from other comprehensive income   $ 11     $ -     $ 32     $ 2  
Schedule of gross unrealized gains (losses) on marketable securities

 
June 30, 2015     December 31, 2014  
    Gross unrealized     Gross unrealized  
(in thousands)   Gains     (Losses)     Gains     (Losses)  
Municipal Obligations   $ 61     $ (34 )   $ 121     $ (31 )
Corporate Obligations     13       (1 )     1       (6 )
    $ 74     $ (35 )   $ 122     $ (37 )
Schedule of amortized cost basis, fair value and net unrealized gains on available-for-sale securities
    June 30, 2015     December 31, 2014  
Type of Securities  

Amortized 

Cost Basis 

    Fair Value    

Net 

Unrealized 

Gains 

   

Amortized 

Cost Basis 

    Fair Value    

Net 

Unrealized 

Gains 

(Losses) 

 
(in thousands)                                    
Municipal Obligations   $ 30,906     $ 30,933     $ 27     $ 31,990     $ 32,080     $ 90  
Corporate Obligations     5,496       5,508       12       5,409       5,404       (5 )
Total   $ 36,402     $ 36,441     $ 39     $ 37,399     $ 37,484     $ 85