Note 7 - Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
Numerator:
Net loss attributable to common shareholders per common share: basic and diluted calculation	$	(4,059,484	)	$	(5,438,017	)	$	(17,821,524	)	$	(11,900,662	)
Denominator:
Weighted average common shares outstanding-basic (1)		78,383,878			65,406,312			71,084,454			51,272,960
Effect of diluted stock options, warrants, and preferred stock (2)		-			-			-			-
Weighted average common shares outstanding - diluted		78,383,878			65,406,312			71,084,454			51,272,960
Loss per common share-basic	$	(0.05	)	$	(0.08	)	$	(0.25	)	$	(0.23	)
Loss per common share- diluted	$	(0.05	)	$	(0.08	)	$	(0.25	)	$	(0.23	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Nine Months ended September 30,
	2022		2021
Options		1,021,624		1,012,760
RSU		483,333		516,666
Warrants		36,389,422		31,725,118
Preferred stock: series B		79,246		79,246