Note P - Share-based Compensation - Restricted Stock Unit/Awards Activity (Details) - Restricted Stock Units (RSUs) [Member] $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Outstanding, number of shares (in shares) | shares	2,209
Outstanding, weighted average fair value (in dollars per share)	$ 5.76
Outstanding, aggregate intrinsic value | $	$ 4,176
Granted, number of shares (in shares) | shares	2,200
Granted, weighted average fair value (in dollars per share)	$ 4.76
Granted, aggregate intrinsic value | $	$ 10,449
Released, number of shares (in shares) | shares	(1,397)
Released, weighted average share price on date of release (in dollars per share)	$ 5.61
Released, weighted average fair value (in dollars per share)	$ 6.15
Released, aggregate intrinsic value | $	$ 7,833
Cancelled/Forfeited, number of shares (in shares) | shares	(139)
Cancelled/Forfeited, weighted average fair value (in dollars per share)	$ 3.91
Cancelled/Forfeited, aggregate intrinsic value | $	$ 2,692
Outstanding, number of shares (in shares) | shares	2,873
Outstanding, weighted average fair value (in dollars per share)	$ 4.89
Outstanding, aggregate intrinsic value | $	$ 55,507
Vested and expected to vest, number of shares (in shares) | shares	2,873
Vested and expected to vest, weighted average fair value (in dollars per share)	$ 4.89
Vested and expected to vest, aggregate intrinsic value | $	$ 55,507