Note 5 - Prepaid Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	December 31,		December 31,
	2019		2018
Prepaid research and development	$	507,733	$	218,090
Prepaid insurance		222,476		160,576
Professional services		108,850		110,094
Retainer and security deposits		14,218		16,718
Prepaid rent		4,275		-
Other		4,792		4,355
Total prepaid expenses	$	862,344	$	509,833