Note 12 - Employee Benefit Plans - Restricted Stock Activity (Details) - Restricted Stock [Member]	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Nonvested shares at beginning of period (in shares) | shares	45,656
Nonvested shares at beginning of period (in dollars per share) | $ / shares	$ 24.03
Granted (in shares) | shares	55,839
Granted (in dollars per share) | $ / shares	$ 27.97
Vested (in shares) | shares	(27,414)
Vested (in dollars per share) | $ / shares	$ 25.79
Canceled (in shares) | shares	(476)
Canceled (in dollars per share) | $ / shares	$ 22.89
Nonvested shares at end of period (in shares) | shares	73,605
Nonvested shares at end of period (in dollars per share) | $ / shares	$ 30.87