Note 5 - Prepaid Expenses (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	As of June 30,		As of December 31,
	2020		2019
Prepaid research and development	$	948,250	$	507,733
Prepaid insurance		251,455		222,476
Professional services		203,919		108,850
Financial exchange fees		21,500		-
Retainer and security deposits		14,218		14,218
Prepaid rent		13,464		4,275
Other		11,560		4,792
Total prepaid expenses	$	1,464,366	$	862,344