Note 4 - Accrued Expenses and Other Current Liabilities

9 Months Ended

Sep. 30, 2021

Notes to Financial Statements

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

4. Accrued Expenses and Other Current Liabilities

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

	September 30, 2021		December 31, 2020
Accrued payroll and payroll related expenses		773,917		653,899
Accrued professional fees		59,126		31,809
Accrued clinical studies expenses		1,081,453		1,055,398
Other accrued expenses		88,485		35,364
Total	$	2,002,981	$	1,776,470