Represents the impact of allocated share-based compensation expense on earnings per share, diluted, during the period.

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section S99
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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-Topic 718
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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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-Topic 718
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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

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Note E - Stock-based Compensation (Details Textual) - USD ($)		1 Months Ended	3 Months Ended
	May 29, 2014	Feb. 28, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value			$ 450,000	$ 206,000
Allocated Share-based Compensation Expense, Impact on Earnings Per Share, Diluted (in dollars per share)			$ 0.01	$ 0.01
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 1,942,000	$ 2,999,000
Amortization, Current Year [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			536,000
Amortization, Next Year [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			777,000
Amortization Year 2 [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			493,000
Amortization, Year 3 [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			136,000
Salaries, Wages and Benefits [Member]
Share-Based Payment Arrangement, Expense			192,000	208,000
Salaries, Wages and Benefits [Member] \| Director [Member]
Share-Based Payment Arrangement, Expense			$ 0	$ 0
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			0
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)			$ 0
The 2014 Stock Option Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)					3,000,000
The 2014 Stock Option Plan [Member] \| Stock Award [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			0
The 2014 Stock Option Plan [Member] \| Stock Award [Member] \| Key Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		28,313
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)		$ 28.3
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		4 years
The 2014 Stock Option Plan [Member] \| Stock Award [Member] \| Key Employees [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage		25.00%
The 2014 Stock Option Plan [Member] \| Minimum [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85.00%