Note 11 - Share-Based Compensation - Schedule of Stock Option Plans Exercise Price Range (Details)	12 Months Ended
	Dec. 31, 2024 $ / shares shares
Options Outstanding, Shares (in shares) | shares	285,100
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 13.65
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	7 years 8 months 19 days
Options Exercisable, Shares (in shares) | shares	109,840
Options Exercised, Weighted Average Exercise Price (in dollars per share)	$ 15.23
Range One [Member]
Options Outstanding, Lower Price Range (in dollars per share)	11.51
Options Outstanding, Upper Price Range (in dollars per share)	$ 15.53
Options Outstanding, Shares (in shares) | shares	247,300
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 12.82
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	8 years 2 months 15 days
Options Exercisable, Shares (in shares) | shares	76,240
Options Exercised, Weighted Average Exercise Price (in dollars per share)	$ 13.39
Range Two [Member]
Options Outstanding, Lower Price Range (in dollars per share)	16.2
Options Outstanding, Upper Price Range (in dollars per share)	$ 25.5
Options Outstanding, Shares (in shares) | shares	37,800
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 19.06
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	4 years 6 months
Options Exercisable, Shares (in shares) | shares	33,600
Options Exercised, Weighted Average Exercise Price (in dollars per share)	$ 19.41