Note F - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	Year ended December 31,
	2022			2021			2020
Numerator:
Net loss	$	(66,397	)	$	(54,162	)	$	(58,452	)
Denominator:
Weighted average shares used to compute net loss per share
Basic		27,846			26,912			21,867
Effect of dilutive options and restricted stock units		—			—			—
Diluted		27,846			26,912			21,867
Net loss per share
Basic	$	(2.38	)	$	(2.01	)	$	(2.67	)
Diluted	$	(2.38	)	$	(2.01	)	$	(2.67	)

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

	As of December 31,
	2022		2021
Employee stock options		-		3
Restricted stock units		1		3
Shares for convertible senior notes		4,587		4,587
Total antidilutive shares		4,588		4,593