Note 2 - Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Loss for the year	$ (14,654,232)	$ (2,592,831)
Basic and diluted weighted average number of common shares outstanding (in shares)	121,208,912	72,111,456
Basic and diluted loss per common share outstanding (in dollars per share)	$ (0.12)	$ (0.04)