Note 5 - Prepaid Expenses, Deposits and Other Current Assets (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

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

	September 30, 2017		December 31, 2016
Prepaid research and development expense	$	844,521	$	12,725
Prepaid insurance expense		126,733		9,731
Prepaid other		33,107		28,388
Total	$	1,004,361	$	50,844