Note 5 - Prepaid Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	December 31,		December 31,
	2020		2019
Prepaid research and development	$	1,215,834	$	507,733
Prepaid insurance		417,854		222,476
Professional services		128,229		108,850
Retainer and security deposits		14,218		14,218
Prepaid rent		4,488		4,275
Other		33,279		4,792
Total prepaid expenses	$	1,813,902	$	862,344