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

9 Months Ended

Sep. 30, 2023

Notes Tables

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

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2023		2022			2023			2022
Numerator:
Net income (loss) attributable to common stockholders - basic	$	21,226	$	(15,663	)	$	(10,722	)	$	(47,197	)
Subtract: fair value adjustment of warrant liability (1)		-		—			25,616			—
Net income (loss) attributable to common stockholders - diluted	$	21,226	$	(15,663	)	$	(36,338	)	$	(47,197	)
Denominator:
Weighted-average shares outstanding - basic		75,739		30,518			75,727			27,419
Dilutive effect of common stock warrants				—			19,003			—
Dilutive effect of options outstanding		354		—			711			—
Weighted-average shares outstanding - diluted		76,093		30,518			95,441			27,419
Net income (loss) per share:
Basic	$	0.28	$	(0.51	)	$	(0.14	)	$	(1.72	)
Diluted	$	0.28	$	(0.51	)	$	(0.38	)	$	(1.72	)

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

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2023		2023
Options to purchase common stock		4,995,483		4,638,530
Common stock warrants		50,029,052		31,025,632