Note 6 - Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	Year Ended December 31,
	2022			2021
Numerator:
Net loss attributable to common shareholders per common share: basic and diluted calculation	$	(25,737,634	)	$	(19,657,174	)
Denominator:
Weighted average common shares outstanding-basic		72,997,987			54,876,044
Effect of diluted stock options, warrants and preferred stock (1)		-			-
Weighted average common shares outstanding-diluted		72,997,987			54,876,044
Loss per common share-basic and diluted	$	(0.35	)	$	(0.36	)

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

	Year Ended December 31,
	2022		2021
Options		981,060		1,062,871
RSUs		83,334		366,667
Warrants		36,328,731		31,699,885
Preferred stock: Series B		79,246		79,246