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Financial Instruments
 3 Months Ended
Mar. 31, 2014
Investments Debt And Equity Securities [Abstract]  
Financial Instruments

Note 2. Financial Instruments

The following table summarizes the fair value of our cash, cash equivalents and available-for-sale marketable securities held in our current investment portfolio:

 

    Amortized
Cost		     Gross
Unrealized
Gains		     Gross
Unrealized
(Losses)		     Fair Value  

March 31, 2014

        

Cash

   $ 431,297      $ —        $ —        $ 431,297   

Cash equivalents

     26,032,328        —          —          26,032,328   
 

 

 

    

 

 

    

 

 

    

 

 

  
Total cash, cash equivalents, and marketable securities   $  26,463,625      $ —        $ —        $ 26,463,625   
    Amortized
Cost		     Gross
Unrealized
Gains		     Gross
Unrealized
(Losses)		     Fair Value  

December 31, 2013

        

Cash

   $ 1,355,281      $ —        $ —        $ 1,355,281   

Cash equivalents

     29,230,143        —          —          29,230,143   
 

 

 

    

 

 

    

 

 

    

 

 

  

Total cash, cash equivalents, and marketable securities

   $ 30,585,424      $ —        $ —        $ 30,585,424   
 

 

 

    

 

 

    

 

 

    

 

 

  

At March 31, 2014, our investments in money market accounts are through a money market fund that invests in high quality, short-term money market instruments which are classified as cash equivalents in the accompanying Condensed Consolidated Balance Sheet due to their short maturities. The investment seeks to provide the highest possible level of current income while still maintaining liquidity and preserving capital. From time to time, we carry cash balances in excess of federally insured limits. Our cash balance at March 31, 2014 includes approximately $117,000 held by our U.K. subsidiary.