Note 3 - Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Net income		$ 1,510	$ 769
Weighted average number of common shares outstanding (in shares)		21,594,664	20,869,035
Basic net income per share (in dollars per share)		$ 0.07	$ 0.04
Non-vested stock awards (in shares)	[1]	212,118	517,979
Weighted average number of common shares outstanding (in shares)		21,806,782	21,387,014
Diluted net income per share (in dollars per share)		$ 0.07	$ 0.04

[1] Restricted stock units granted and outstanding of 822,737 are excluded from the computation of diluted earnings for the year ended December 31, 2022 due to the anti-dilutive effect as a result of the Company’s net loss for that period.