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Note 7 - Accrued Expenses and Other Current Liabilities (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Other Current Liabilities [Table Text Block]
   

September 30,

   

December 31,

 
   

2023

   

2022

 
Professional fees   $ 492,772     $ 206,675  

Employee compensation costs

    696,570       364,070  

Clinical development costs

    71,979       23,185  

Other

    121,501       50,322  

Total

  $ 1,382,822     $ 644,252