Note 11 - Stock Compensation Plans (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 22, 2023
Long-Term Incentive Compensation Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	1,200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	143,185	140,445
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	2,293,686		455,584
Share-Based Payment Arrangement, Expense	$ 143	$ 121
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 2,300	$ 2,100
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	4 years 1 month 6 days
The 2023 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)			2,000,000