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3. Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value Of Financial Instruments Tables  
Classification of financial instruments valued at fair value
               
Financial
Instruments
  Level 1   Total  
           
Cash equivalents   $ 20,103,000   $ 20,103,000  
               
Securities     238,000     238,000  
               
    $ 20,341,000   $ 20,341,000