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MARKETABLE SECURITIES (Tables)
3 Months Ended
Mar. 31, 2019
MARKETABLE SECURITIES  
Schedule of net realized (losses) gains and reclassification of net realized (losses) gains from other comprehensive income
    Three months ended  
    March 31,  
(in thousands)   2019     2018  
Net realized gain (loss)   $ 4     $ (19 )
Reclassification of net realized gains (losses) from other comprehensive income   $ 4     $ (19 )
Schedule of gross unrealized gains (losses) on marketable securities
    March 31, 2019     December 31, 2018  
    Gross unrealized     Gross unrealized  
(in thousands)   Gains     (Losses)     Gains     (Losses)  
Municipal Obligations   $ -     $ -     $ 2     $ (2 )
Corporate Obligations     -       -       1       (10 )
    $ -     $ -     $ 3     $ (12 )
Schedule of amortized cost basis, fair value and net unrealized gains on available-for-sale securities
    December 31, 2018  
Type of Securities   Amortized
Cost Basis
    Fair
Value
    Net
Unrealized 
Losses
 
(in thousands)                  
Municipal Obligations   $ 1,490     $ 1,490     $ -  
Corporate Obligations     6,184       6,175       (9 )
Total   $ 7,674     $ 7,665     $ (9 )