Note 3 - Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	Three Months Ended March 31,
	2024			2023
Numerator:
Net loss	$	(9,789	)	$	(9,623	)
Net loss allocated to stockholders of the Company	$	(9,794	)	$	(9,657	)
Denominator:
Weighted-average shares of common stock outstanding used in computing net loss per share, basic		5,829			5,237
Weighted-average shares of common stock outstanding used in computing net loss per share, diluted		5,829			5,237
Net loss per share:
Basic	$	(1.68	)	$	(1.84	)
Diluted	$	(1.68	)	$	(1.84	)

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

	March 31, 2024		March 31, 2023
Options to purchase common stock		1,048,074		1,005,680
Preferred stock		8,969,341		2,123,443
Restricted share units		-		2,668
Shares reserved for convertible notes		2,662,459		547,593
Warrants for common stock		1,936,920		1,061,930
Total potential dilutive shares		14,616,794		4,741,314