Note 4 - Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Other Current Liabilities [Table Text Block]

	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