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Note E - Stock-based Compensation (Details Textual)			1 Months Ended		9 Months Ended
	Feb. 15, 2024 shares	May 29, 2014	Aug. 31, 2025 $ / shares shares	Aug. 31, 2021	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($) $ / shares	Mar. 13, 2014 shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value					$ 437,000	$ 928,000
Allocated Share-based Compensation Expense, Impact on Earnings Per Share, Diluted (in dollars per share) | $ / shares					$ 0.01	$ 0.02
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount					$ 2,178,000	$ 1,536,000
Amortization, Current Year [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount					228,000
Amortization, Next Year [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount					644,000
Amortization Year 2 [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount					545,000
Amortization, Year 3 [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount					537,000
Salaries, Wages and Benefits [Member]
Share-Based Payment Arrangement, Expense					325,000	550,000
Stock Split To [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio				2
Director [Member] | Salaries, Wages and Benefits [Member]
Share-Based Payment Arrangement, Expense					$ 45,000	$ 38,000
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares					200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares					$ 14.13
The 2024 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares	1,600,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent	100.00%
The 2024 Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares			100,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares			$ 12.15
The 2024 Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage			0.25%
The 2024 Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Two [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage			0.25%
The 2024 Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-Based Payment Arrangement, Tranche Three [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage			0.25%
The 2024 Plan [Member] | Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member] | Share-based Payment Arrangement, Tranche Four [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage			0.25%
The 2014 Stock Option Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | shares							3,000,000
The 2014 Stock Option Plan [Member] | Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent		85.00%

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