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Comprehensive Income (Loss)
9 Months Ended
Sep. 30, 2011
Comprehensive Income (Loss) [Abstract] 
COMPREHENSIVE INCOME (LOSS)
10) COMPREHENSIVE INCOME (LOSS)
For the three and nine-month periods ended September 30, 2011 and 2010, comprehensive loss consisted of the following:
                                 
    Three-months ended     Nine-months ended  
    September 30,
2011
    September 30,
2010
    September 30,
2011
    September 30,
2010
 
     
NET INCOME (LOSS)
  $ 3,507,000     $ 33,000     $ 4,013,000     $ (203,000 )
Change in net unrealized gains on marketable securities available-for-sale
    (16,000 )     (36,000 )     (44,000 )     (111,000 )
     
 
                               
COMPREHENSIVE INCOME (LOSS)
  $ 3,491,000     $ (3,000 )   $ 3,969,000     $ (314,000 )