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Note J - Earnings Per Share (Details Textual) - shares	1 Months Ended	3 Months Ended			6 Months Ended	9 Months Ended
	Dec. 31, 2022	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Treasury Stock, Shares, Acquired (in shares)		100,000				400,000
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		132,193		12,694	8,668	8,098	13,602
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		58,869		0		40,389	16,849
Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		0		1,001,614		0	1,001,614
Series A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage			5.00%
Treasury Stock, Shares, Acquired (in shares)	9,926

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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Number of shares that have been repurchased during the period and are being held in treasury.

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