Note 9 - Stock Incentive Plan - Share Based Compensation Arrangements by Share Based Payment Award (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Stock based compensation	$ (50)	$ 101
Deferred Stock Units [Member]
Outstanding, shares (in shares)	154,385	96,704
Outstanding, grant date fair value (in dollars per share)	$ 12.98	$ 15.69
Granted and vested, shares (in shares)	36,797	26,563
Granted and vested, grant date fair value (in dollars per share)	$ 7.63	$ 8.66
Outstanding, shares (in shares)	191,182	123,267
Outstanding, grant date fair value (in dollars per share)	$ 11.95	$ 14.17
Stock based compensation	$ 229	$ 200
Intrinsic value, end of period	$ 1,340	$ 1,028