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Note 6 - Accrued Expenses
9 Months Ended
Sep. 30, 2015
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
6
.
Accrued expenses
 
Accrued expenses consist of the following:
 
   
September 30,
   
December 31,
 
   
2015
   
2014
 
                 
Accrued former executive payment
  $ 125,000     $ 100,000  
Accrued legal professional fees
    77,827       111,600  
Accrued audit and tax preparation
    67,500       55,500  
Accrued clinical study expenses
    62,495       64,464  
Accrued inventory
    30,927       -  
Accrued board of directors fees
    12,000       12,000  
Accrued other
    24,739       25,892  
    $ 400,488     $ 369,456