Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale, Amortized Cost	$ 447,489	$ 468,549
Debt Securities, Held-to-Maturity, Fair Value	4,494	4,446
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	$ 8,560	$ 8,005
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)	1,000,000	1,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)	7,500,000	7,500,000
Common Stock, Shares, Issued (in shares)	3,806,983	3,803,833
Common Stock, Shares, Outstanding (in shares)	3,353,332	3,350,660
Treasury Stock, Common, Shares (in shares)	453,651	453,173