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Note 9 - Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Loss Per Common Share

The following table presents the calculation of weighted average shares used to calculate basic and diluted net loss per common share (in thousands, except share and per share amounts):

		Year Ended December 31,
		2024				2023
Basic and diluted net loss per common share:
Net loss		$	(14,438	)		$	(12,300	)
Adjustment to record the impact of exercise price reset on outstanding warrants related to down round provisions			—				(16	)
Net loss available to common stockholders - basic and diluted		$	(14,438	)		$	(12,316	)
Weighted average shares used in calculating basic and diluted net loss per common share			1,416,471				456,014
Basic and diluted net loss per common share		$	(10.19	)		$	(27.01	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potentially dilutive securities were excluded from the calculation of diluted net loss per share because their effects would be anti-dilutive:

		December 31,
		2024				2023
Stock options			50,674				44,276
Restricted stock units and performance stock units			2,952				28,339
Warrants for common stock			4,718,213				272,211
Series A Convertible Preferred Stock			8				8
Total			4,771,847				344,834

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Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

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-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

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-Name Accounting Standards Codification
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-Section 50
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