Note 9 - Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2023			2022			2023			2022
Numerator:
Net loss attributable to common stockholders: basic and diluted calculation	$	(3,163,450	)	$	(4,059,485	)	$	(10,508,620	)	$	(17,821,524	)
Denominator:
Weighted average common shares outstanding - basic		4,031,356			3,919,203			3,998,887			3,602,515
Effect of diluted stock options, warrants, and preferred stock (1)		-			-			-			-
Weighted average common shares outstanding - diluted		4,031,356			3,919,203			3,998,887			3,602,515
Loss per common share - basic and diluted	$	(0.78	)	$	(1.04	)	$	(2.63	)	$	(4.95	)

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

	Three and Nine Months Ended
	September 30,
	2023		2022
Options		48,225		51,082
Restricted Stock Units		-		24,167
Warrants		1,807,020		1,819,927
Series B Convertible Preferred Stock		16		16