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3. Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2014
Notes to Financial Statements  
Classification of financial instruments valued at fair value

  The classification of financial instruments valued at fair value as of June 30, 2014, as follows:

 

Financial Instruments   Level 1  
Cash equivalents   $ 14,645,000  
Securities     394,000  
    $ 15,039,000