Note 8 - Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

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

	Year Ended December 31,
Numerator:	2025			2024
Net loss	$	(6,355	)	$	(4,043	)
Less: preferred stock dividends		32			89
Less: deemed dividend		—			8,974
Net loss attributable to common stockholders	$	(6,387	)	$	(13,106	)
Denominator:
Weighted-average number of shares of common stock for basic and diluted net loss per share		2,316,057			834,209
Basic net loss per share	$	(2.76	)	$	(15.71	)

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

	Year Ended December 31,
	2025		2024
Common stock issuable upon conversion of Series F Preferred Stock (1)		45,754		51,357
Common stock issuable upon conversion of Series F Preferred Warrants (2)		8,097,347		2,784,922
Common stock issuable upon conversion of Common Stock Warrants		2,688,728		2,272,203