Note P - Share-based Compensation - Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Outstanding, number of shares (in shares)	270
Outstanding, weighted average exercise price (in dollars per share)	$ 10.32
Outstanding, weighted average fair value (in dollars per share)	$ 5.44
Outstanding, weighted average remaining contractual life (Year)	8 months 15 days	1 year 8 months 8 days
Outstanding, aggregate intrinsic value	$ 0	$ 0
Exercised, number of shares (in shares)	0
Exercised, weighted average exercise price (in dollars per share)	$ 0
Exercised, weighted average share price on date of exercise (in dollars per share)	0
Exercised, weighted average fair value (in dollars per share)	$ 0
Exercised, aggregate intrinsic value	$ 0
Forfeited, number of shares (in shares)	(6)
Forfeited, weighted average exercise price (in dollars per share)	$ 6.54
Forfeited, weighted average fair value (in dollars per share)	$ 5.03
Forfeited, aggregate intrinsic value	$ 0
Outstanding, number of shares (in shares)	264	270
Outstanding, weighted average exercise price (in dollars per share)	$ 10.41	$ 10.32
Outstanding, weighted average fair value (in dollars per share)	$ 5.45	$ 5.44
Exercisable, number of shares (in shares)	264
Exercisable, weighted average exercise price (in dollars per share)	$ 10.41
Exercisable, weighted average fair value (in dollars per share)	$ 5.45
Exercisable, weighted average remaining contractual life (Year)	8 months 15 days
Exercisable, aggregate intrinsic value	$ 0
Vested and expected to vest, number of shares (in shares)	264
Vested and expected to vest, weighted average exercise price (in dollars per share)	$ 10.41
Vested and expected to vest, weighted average fair value (in dollars per share)	$ 5.45
Vested and expected to vest, weighted average remaining contractual life (Year)	8 months 15 days
Vested and expected to vest, aggregate intrinsic value	$ 0