Note 11 - (Loss) income Per Share - Reconciliation of the Amounts Used in Calculating Basic and Diluted Net Loss Per Common Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net (loss) income	$ (2,078,307)	$ 270,815
Basic weighted average shares outstanding (in shares)	17,294,808	11,282,671
Dilutive effect of warrants and/or options (in shares)	0	1,003,545
Diluted weighted average shares outstanding (in shares)	17,294,808	12,286,216
Basic (loss)/earnings per share (in dollars per share)	$ (0.12)	$ 0.02
Diluted (loss)/earnings per share (in dollars per share)	$ (0.12)	$ 0.02