Note 9 - Stock Incentive Plan - Share Based Compensation Arrangements by Share Based Payment Award (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Stock based compensation	$ 135	$ 334
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)	57,516	41,007
Granted and vested, grant date fair value (in dollars per share)	$ 7.41	$ 8.54
Outstanding, shares (in shares)	211,901	137,711
Outstanding, grant date fair value (in dollars per share)	$ 11.47	$ 13.56
Stock based compensation	$ 343	$ 315
Intrinsic value, end of period	$ 1,485	$ 1,132