v3.25.2
Note 4 - Loans and Allowance for Credit Losses - Loans by Credit Grade (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Pass $ 73,859   $ 73,859   $ 105,230
Pass 112,094   112,094   45,778
Pass 50,525   50,525   94,987
Pass 93,044   93,044   67,785
Pass 66,712   66,712   28,214
Pass 224,245   224,245   213,360
Pass 0   0   32,608
Loans 620,479   620,479   587,962
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     356   162
Charge-offs     0   0
Charge-offs 356 $ 155 356 $ 156 162
Pass [Member]          
Pass 67,414   67,414   100,556
Pass 109,283   109,283   45,776
Pass 50,524   50,524   94,987
Pass 93,044   93,044   67,784
Pass 66,712   66,712   28,214
Pass 217,715   217,715   202,093
Pass 0   0   32,584
Loans 604,692   604,692   571,994
Special Mention [Member]          
Pass 5,617   5,617   4,674
Pass 2,811   2,811   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 8,428   8,428   4,674
Substandard [Member]          
Pass 828   828   0
Pass 0   0   2
Pass 1   1   0
Pass 0   0   1
Pass 0   0   0
Pass 6,530   6,530   11,267
Pass 0   0   24
Loans 7,359   7,359   11,294
Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Commercial Real Estate Portfolio Segment [Member]          
Pass 42,707   42,707   63,427
Pass 60,710   60,710   26,745
Pass 28,079   28,079   69,261
Pass 66,035   66,035   54,346
Pass 55,064   55,064   19,727
Pass 163,607   163,607   161,061
Pass 0   0   3,559
Loans 416,202   416,202   398,126
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     356   0
Charge-offs     0   0
Charge-offs     356 0 0
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]          
Pass 41,962   41,962   63,427
Pass 58,016   58,016   26,745
Pass 28,079   28,079   69,261
Pass 66,035   66,035   54,346
Pass 55,064   55,064   19,727
Pass 158,652   158,652   151,876
Pass 0   0   3,559
Loans 407,808   407,808   388,941
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]          
Pass 400   400   0
Pass 2,694   2,694   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 3,094   3,094   0
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]          
Pass 345   345   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 4,955   4,955   9,185
Pass 0   0   0
Loans 5,300   5,300   9,185
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Construction and Land Development [Member]          
Pass 3,856   3,856   14,710
Pass 14,841   14,841   3,365
Pass 2,536   2,536   1,568
Pass 3,918   3,918   1,443
Pass 162   162   930
Pass 5,719   5,719   5,341
Pass 0   0   0
Loans 31,032   31,032   27,357
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0 0 0
Construction and Land Development [Member] | Pass [Member]          
Pass 3,856   3,856   14,710
Pass 14,841   14,841   3,365
Pass 2,536   2,536   1,568
Pass 3,918   3,918   1,443
Pass 162   162   930
Pass 5,719   5,719   5,341
Pass 0   0   0
Loans 31,032   31,032   27,357
Construction and Land Development [Member] | Special Mention [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Construction and Land Development [Member] | Substandard [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Construction and Land Development [Member] | Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Residential Portfolio Segment [Member]          
Pass 12,447   12,447   12,385
Pass 13,738   13,738   10,592
Pass 11,085   11,085   18,474
Pass 18,230   18,230   9,363
Pass 9,245   9,245   7,084
Pass 50,981   50,981   45,991
Pass 0   0   8,009
Loans 115,726   115,726   111,898
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   5
Charge-offs     0   0
Charge-offs     0 0 5
Residential Portfolio Segment [Member] | Pass [Member]          
Pass 12,447   12,447   12,385
Pass 13,738   13,738   10,592
Pass 11,085   11,085   18,474
Pass 18,230   18,230   9,363
Pass 9,245   9,245   7,084
Pass 49,406   49,406   44,409
Pass 0   0   7,985
Loans 114,151   114,151   110,292
Residential Portfolio Segment [Member] | Special Mention [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Residential Portfolio Segment [Member] | Substandard [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 1,575   1,575   1,582
Pass 0   0   24
Loans 1,575   1,575   1,606
Residential Portfolio Segment [Member] | Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Commercial Portfolio Segment [Member]          
Pass 14,418   14,418   14,602
Pass 22,741   22,741   5,017
Pass 8,779   8,779   5,675
Pass 4,861   4,861   2,632
Pass 2,241   2,241   472
Pass 3,935   3,935   967
Pass 0   0   21,040
Loans 56,975   56,975   50,405
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   152
Charge-offs     0   0
Charge-offs     0 153 152
Commercial Portfolio Segment [Member] | Pass [Member]          
Pass 8,718   8,718   9,928
Pass 22,624   22,624   5,017
Pass 8,779   8,779   5,675
Pass 4,861   4,861   2,632
Pass 2,241   2,241   472
Pass 3,935   3,935   467
Pass 0   0   21,040
Loans 51,158   51,158   45,231
Commercial Portfolio Segment [Member] | Special Mention [Member]          
Pass 5,217   5,217   4,674
Pass 117   117   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 5,334   5,334   4,674
Commercial Portfolio Segment [Member] | Substandard [Member]          
Pass 483   483   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   500
Pass 0   0   0
Loans 483   483   500
Commercial Portfolio Segment [Member] | Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Consumer Portfolio Segment [Member]          
Pass 431   431   106
Pass 64   64   59
Pass 46   46   9
Pass 0   0   1
Pass 0   0   1
Pass 3   3   0
Pass 0   0   0
Loans 544   544   176
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   0
Charge-offs     0   5
Charge-offs     0   0
Charge-offs     0 $ 3 5
Consumer Portfolio Segment [Member] | Pass [Member]          
Pass 431   431   106
Pass 64   64   57
Pass 45   45   9
Pass 0   0   0
Pass 0   0   1
Pass 3   3   0
Pass 0   0   0
Loans 543   543   173
Consumer Portfolio Segment [Member] | Special Mention [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 0   0   0
Consumer Portfolio Segment [Member] | Substandard [Member]          
Pass 0   0   0
Pass 0   0   2
Pass 1   1   0
Pass 0   0   1
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans 1   1   3
Consumer Portfolio Segment [Member] | Doubtful [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Loans $ 0   $ 0   $ 0