Note 2 - Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income (Loss) for the year	$ 103,971	$ (14,654,232)
Basic and diluted weighted average number of common shares outstanding (in shares)	131,124,989	121,208,912
Basic and diluted income (loss) per common share outstanding (in dollars per share)	$ 0	$ (0.12)