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Note 6 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	1,106,436	1,250,595		1,425,693
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.08	$ 3.48
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 1,007	$ 556
Proceeds from Stock Options Exercised	$ 1,999	$ 1,248
Common Stock, Capital Shares Reserved for Future Issuance	1,707,440
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 1,108
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 1 month 6 days
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted	35,700	4,029
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 8.71	$ 7.45
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	$ 280
The 2024 Long-term Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized			2,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	258,060
The 2024 Long-term Incentive Plan [Member] | Awards Other than Stock Options and SARs [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized			800,000
The 2024 Long-term Incentive Plan [Member] | Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
The 2014 Long-term Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	848,376

X

- Definition

Aggregate number of common shares reserved for future issuance.

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-SubTopic 10
-Name Accounting Standards Codification
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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Net number of non-option equity instruments granted to participants.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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