Note 16 - Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	Years Ended December 31,
	2024			2023
	(in thousands, except shares and per share data)
Net loss	$	(7,732	)	$	(8,945	)
Preferred stock dividends		—			(77	)
Net loss attributable to common stockholders		(7,732	)		(9,022	)
Basic and diluted weighted average common shares outstanding		14,789,332			13,455,666
Basic and diluted net loss per share attributable to common stockholders	$	(0.52	)	$	(0.67	)

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

	Years Ended December 31,
	2024		2023
Warrants to purchase common stock		898,622		1,113,622
Options to purchase common stock		4,385,477		3,977,289
Total		5,284,099		5,090,911