Note L - Stockholders' Equity - Schedule of Stockholders' Equity (Details) (Parentheticals) - $ / shares	3 Months Ended						9 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Cash dividends, per share (in dollars per share)	$ 0.04	$ 0.04	$ 0.04	$ 0.02	$ 0.02	$ 0.02	$ 0.12	$ 0.06