Note 9 - Net Income (Loss) Per Share of Common Stock (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2023			2022			2023			2022
Numerator:
Net income (loss) attributable to common stockholders - basic	$	18,008		$	(18,477	)	$	(31,948	)	$	(31,534	)
Subtract: fair value adjustment of warrant liability (1)		29,592			—			—			—
Net income (loss) attributable to common stockholders - diluted	$	(11,584	)	$	(18,477	)	$	(31,948	)	$	(31,534	)
Denominator:
Weighted-average shares outstanding - basic		75,727			30,505			75,721			25,844
Dilutive effect of common stock warrants		23,038			—			—			—
Dilutive effect of options outstanding		872			—			—			—
Weighted-average shares outstanding - diluted		99,637			30,505			75,721			25,844
Net income (loss) per share:
Basic	$	0.24		$	(0.61	)	$	(0.42	)	$	(1.22	)
Diluted	$	(0.12	)	$	(0.61	)	$	(0.42	)	$	(1.22	)

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

	Six Months Ended		Three, Six Months Ended
	June 30,		June 30,
	2023		2022
Options to purchase common stock		7,714,248		3,945,453
Common stock warrants		50,029,052		4,850,241