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Accounts Payable and Accrued Expenses
12 Months Ended
Dec. 31, 2012
Notes to Financial Statements  
7. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consisted of the following at December 31:

 

    2012     2011  
             
Accounts payable   $ 210,000     $ 106,000  
Accrued expenses     218,000       164,000  
    $ 428,000     $ 270,000