Note 5 - Prepaid Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	As of September 30,		As of December 31,
	2021		2020
Prepaid research and development	$	1,567,871	$	1,215,834
Prepaid insurance		136,880		417,854
Professional services		131,197		128,229
Financial exchange fees		14,500		-
Retainer and security deposits		14,218		14,218
Prepaid rent		9,360		4,488
Other		9,171		33,279
Total prepaid expenses	$	1,883,197	$	1,813,902