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3. Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2013
Notes to Financial Statements  
Classification of financial instruments valued at fair value
  Financial instruments valued of the Company are at fair value (Level 1) at March 31, 2013 as follows:

 

                 
           Financial Instruments   Level 1   Total  
             
  Cash equivalents   $ 19,525,000   $ 19,525,000  
                 
  Securities     330,000     330,000  
                 
      $ 19,855,000   $ 19,855,000