Note M - Common Stock and Earnings Per Share (Details Textual) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)	573,000	682,000	568,000	1,906,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	27,600,000		27,600,000
Restricted Stock [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements (in shares)			727,954	482,010