Note 9 - Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2023			2022			2023			2022
Numerator:
Net loss attributable to common stockholders: basic and diluted calculation	$	(3,923,368	)	$	(10,391,324	)	$	(7,345,170	)	$	(13,762,039	)
Denominator:
Weighted average common shares outstanding - basic		3,996,512			3,589,684			3,982,384			3,441,546
Effect of diluted stock options, warrants, and preferred stock (1)		-			-			-			-
Weighted average common shares outstanding - diluted		3,996,512			3,589,684			3,982,384			3,441,546
Loss per common share - basic and diluted	$	(0.98	)	$	(2.89	)	$	(1.84	)	$	(4.00	)

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

	Three and Six Months Ended June 30,
	2023		2022
Options		48,037		51,763
Restricted Stock Units		2,500		18,334
Warrants		1,812,379		1,819,927
Series B Convertible Preferred Stock		16		16