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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Note 13 - Equity Plans (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
Note 13 - Equity Plans (Details Textual) - USD ($)	Jan. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
C-Suite Long-Term Incentive Plan [Member]
Minimum Return on Assets for Performance-Based Incentives		5.00%
Performance-Based Award Cap, Percentage of Grant		150.00%	150.00%
Chief Executive Officer [Member] \| C-Suite Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Amount Per Employee	$ 1,100,000
Chief Financial Officer [Member] \| C-Suite Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Amount Per Employee	300,000
President and Chief Operating Officer [Member] \| C-Suite Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Amount Per Employee	$ 600,000
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		49,768	55,558	20,604
Share-Based Payment Arrangement, Expense		$ 1,817,000	$ 1,297,000	$ 1,045,000
Restricted Stock Units (RSUs) [Member] \| C-Suite Long-Term Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		20,000
Restricted Stock Units (RSUs) [Member] \| Senior Management Stock Incentive Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		5 years
Restricted Stock Units (RSUs) [Member] \| Performance-Based Cash Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested		$ 4,200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms (Year)		1 year 7 months 6 days
Restricted Stock Units (RSUs) [Member] \| Non-Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Value		$ 80,000	$ 80,000
Restricted Stock Units (RSUs) [Member] \| Non-Employee Director [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)		1 year
Performance Shares [Member] \| C-Suite Long-Term Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			20,000
Service Based Cash Awards [Member] \| C-Suite Long-Term Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount		$ 500,000
Performance-Based Cash Awards [Member] \| C-Suite Long-Term Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount			$ 500,000
Performance-Based Cash Awards [Member] \| Performance-Based Cash Awards [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested		$ 2,500,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms (Year)		1 year 6 months
Phantom Stock Plan [Member] \| Phantom Stock Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms (Year)		1 year 6 months
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	3 years		2 years
Share-Based Payment Arrangement, Expense		$ 1,500,000	$ 300,000
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount		1,600,000	700,000
Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent		$ 1,800,000	$ 300,000
Phantom Stock Plan [Member] \| Phantom Stock Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Annual Grant Value	$ 30,000
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		1,400,000