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MARKETABLE SECURITIES (Tables)
3 Months Ended
Mar. 31, 2017
MARKETABLE SECURITIES  
Schedule of net realized gains and reclassification of net realized gains from other comprehensive income
    Three months ended  
    March 31,  
(in thousands)   2017     2016  
Net realized gain   $ 10     $ -  
Reclassification of net realized gains from other comprehensive income   $ 10     $ -  
Schedule of gross unrealized gains (losses) on marketable securities
  March 31, 2017   December 31, 2016
  Gross unrealized   Gross unrealized
(in thousands)   Gains     (Losses)     Gains     (Losses)  
Municipal Obligations   $ 10     $ (24 )   $ 4     $ (53 )
Corporate Obligations     -       -       -       -  
    $ 10     $ (24 )   $ 4     $ (53 )
Schedule of amortized cost basis, fair value and net unrealized gains on available-for-sale securities
    March 31, 2017     December 31, 2016  
Type of Securities   Amortized
Cost Basis
    Fair
Value
    Net
Unrealized
Losses
    Amortized
Cost Basis
    Fair
Value
    Net
Unrealized
Losses
 
(in thousands)                                    
Municipal Obligations   $ 11,188     $ 11,174     $ (14 )   $ 9,379     $ 9,330     $ (49 )
Corporate Obligations     -       -       -       -       -       -  
Total   $ 11,188     $ 11,174     $ (14 )   $ 9,379     $ 9,330     $ (49 )