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Financial Instruments
 12 Months Ended
Dec. 31, 2013
Investments Debt And Equity Securities [Abstract]  
Financial Instruments

Note 2. Financial Instruments

Cash, cash equivalents and marketable securities

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

 

     Amortized
Cost		      Gross
Unrealized
Gains		      Gross
Unrealized
Losses		     Fair Value  

December 31, 2013

           

Cash

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

Cash equivalents (money market accounts)

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

 

 

     

 

 

     

 

 

    

 

 

  

Total cash, cash equivalents, and marketable securities

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

 

 

     

 

 

     

 

 

    

 

 

  

December 31, 2012

           

Cash

    $ 254,267       $ —        $ —       $ 254,267   

Cash equivalents (money market accounts)

      8,217,259         —          (252 )      8,217,007   

Marketable debt securities, current

      13,901,782         —          (1,104 )      13,900,678   
  

 

 

     

 

 

     

 

 

    

 

 

  

Total cash, cash equivalents, and marketable securities

    $ 22,373,308       $ —        $ (1,356 )    $ 22,371,952   
  

 

 

     

 

 

     

 

 

    

 

 

  

At December 31, 2013, 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 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 December 31, 2013 includes approximately $146,000 held by our U.K. subsidiary.

We do not hold any investments that were in a material unrealized loss position as of December 31, 2013.