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Note 6 - Accrued Expenses and Other Current Liabilities
6 Months Ended
Jun. 30, 2023
Notes to Financial Statements  
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

6.

Accrued Expenses and Other Current Liabilities

 

Accrued expenses and other current liabilities consisted of the following as of the dates indicated below:

 

   

June 30, 2023

   

December 31, 2022

 

Accrued payroll and payroll related expenses

  $ 265,382     $ 131,777  

Accrued professional fees

    208,900       552,785  

Accrued clinical studies expenses

          475,141  

Other

    58,268       129,851  

Total

  $ 532,550     $ 1,289,554