Note 13 - Stock-based Compensation Plan - Unvested Stock Activity (Details) - Restricted Stock [Member]	12 Months Ended
	Dec. 31, 2024 $ / shares shares
Unvested shares outstanding (in shares) | shares	189,784
Unvested shares outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 11.51
Granted, number of shares (in shares) | shares	138,838
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 11.38
Vested, number of shares (in shares) | shares	(103,666)
Vested, weighted average exercise price (in dollars per share) | $ / shares	$ 9.86
Forfeited, number of shares (in shares) | shares	(16,174)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 12.35
Unvested shares outstanding (in shares) | shares	208,782
Unvested shares outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 12.18