Note 10 - Net 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 September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
Numerator
Net loss	$	(4,771,353	)	$	(4,246,880	)	$	(14,414,893	)	$	(10,470,461	)
Denominator
Weighted-average common shares outstanding, basic and diluted		16,191,723			8,447,630			14,394,920			8,428,074
Net loss per share, basic and diluted		(0.29	)	$	(.50	)		(1.00	)	$	(1.24	)

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Stock options		790,945		425,646		790,945		425,646
Warrants		13,733,117		2,045,846		13,733,117		2,045,846