Note 4 - Prepaid Expenses (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	September 30,		December 31,
	2019		2018
Prepaid insurance	$	49,982	$	160,576
Prepaid research and development		210,796		218,090
Professional services		124,917		110,094
Financial exchange fees		10,500		-
Prepaid rent		8,550		-
Retainer and security deposits		14,218		16,718
Other		11,079		4,355
Total prepaid expenses	$	430,042	$	509,833