Note 5 - Prepaid Expenses, Deposits and Other Current Assets - Summary of Prepaid Expenses, Deposits and Other Current Assets (Details) - USD ($)	Sep. 30, 2017	Dec. 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