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Note 6 - Accrued Expenses and Other Current Liabilities
9 Months Ended
Sep. 30, 2022
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:

 

  

September 30, 2022

  

December 31, 2021

 

Accrued payroll and payroll related expenses

 $944,684  $879,971 

Accrued professional fees

  58,789   247,704 

Accrued clinical studies expenses

  357,851   786,579 

Other accrued expenses

  101,956   65,935 

Total

 $1,463,280  $1,980,189