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Note 12 - Share-based Incentive Plan (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Jun. 02, 2025	Jun. 01, 2023	May 26, 2022	Dec. 31, 2006
Share-Based Payment Arrangement, Expense	$ 0.2	$ 0.2
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 0.8
The 2017 Incentive Award Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)			450,000	350,000	250,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	23,411
Restricted Stock [Member]
Shares Issued, Price Per Share (in dollars per share)						$ 20
Restricted Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
Restricted Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	10 years
Nonvested Resctricted Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	1 year
Nonvested Resctricted Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years