Note 4 - Loans - Loan Portfolio by Credit Quality Indicator (Details) - USD ($)
|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Loans |
$ 754,283,563
|
$ 758,635,595
|
$ 746,093,809
|
| Pass [Member] |
|
|
|
| Loans |
707,965,052
|
700,095,542
|
|
| Special Mention [Member] |
|
|
|
| Loans |
19,530,573
|
26,142,883
|
|
| Substandard [Member] |
|
|
|
| Loans |
26,787,938
|
32,397,170
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] |
|
|
|
| Loans |
47,024,878
|
47,781,689
|
50,960,265
|
| Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Pass [Member] |
|
|
|
| Loans |
44,249,874
|
44,273,407
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Special Mention [Member] |
|
|
|
| Loans |
1,861,757
|
1,927,198
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Substandard [Member] |
|
|
|
| Loans |
913,247
|
1,581,084
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] |
|
|
|
| Loans |
17,079,579
|
19,193,497
|
16,689,444
|
| Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Pass [Member] |
|
|
|
| Loans |
16,585,646
|
18,970,328
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Special Mention [Member] |
|
|
|
| Loans |
192,445
|
17,843
|
|
| Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Substandard [Member] |
|
|
|
| Loans |
301,488
|
205,326
|
|
| Real Estate Portfolio Segment [Member] | Commercial [Member] |
|
|
|
| Loans |
349,090,031
|
346,262,033
|
332,230,847
|
| Real Estate Portfolio Segment [Member] | Commercial [Member] | Pass [Member] |
|
|
|
| Loans |
327,561,169
|
320,566,237
|
|
| Real Estate Portfolio Segment [Member] | Commercial [Member] | Special Mention [Member] |
|
|
|
| Loans |
9,403,077
|
13,652,416
|
|
| Real Estate Portfolio Segment [Member] | Commercial [Member] | Substandard [Member] |
|
|
|
| Loans |
12,125,785
|
12,043,380
|
|
| Real Estate Portfolio Segment [Member] | Commercial Construction [Member] |
|
|
|
| Loans |
30,358,362
|
40,106,633
|
51,258,970
|
| Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Pass [Member] |
|
|
|
| Loans |
28,425,373
|
36,516,165
|
|
| Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Special Mention [Member] |
|
|
|
| Loans |
1,349,447
|
912,295
|
|
| Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Substandard [Member] |
|
|
|
| Loans |
583,542
|
2,678,173
|
|
| Real Estate Portfolio Segment [Member] | Residential Construction [Member] |
|
|
|
| Loans |
11,830,447
|
9,413,263
|
11,220,683
|
| Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Pass [Member] |
|
|
|
| Loans |
11,630,165
|
9,413,263
|
|
| Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Special Mention [Member] |
|
|
|
| Loans |
0
|
|
|
| Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Substandard [Member] |
|
|
|
| Loans |
200,282
|
|
|
| Real Estate Portfolio Segment [Member] | Residential [Member] |
|
|
|
| Loans |
195,579,967
|
197,002,419
|
203,752,620
|
| Real Estate Portfolio Segment [Member] | Residential [Member] | Pass [Member] |
|
|
|
| Loans |
178,618,510
|
177,054,188
|
|
| Real Estate Portfolio Segment [Member] | Residential [Member] | Special Mention [Member] |
|
|
|
| Loans |
5,658,526
|
8,545,942
|
|
| Real Estate Portfolio Segment [Member] | Residential [Member] | Substandard [Member] |
|
|
|
| Loans |
11,302,931
|
11,402,289
|
|
| Real Estate Portfolio Segment [Member] | Farmland [Member] |
|
|
|
| Loans |
66,877,197
|
61,779,859
|
49,950,984
|
| Real Estate Portfolio Segment [Member] | Farmland [Member] | Pass [Member] |
|
|
|
| Loans |
65,074,715
|
56,798,365
|
|
| Real Estate Portfolio Segment [Member] | Farmland [Member] | Special Mention [Member] |
|
|
|
| Loans |
839,362
|
929,814
|
|
| Real Estate Portfolio Segment [Member] | Farmland [Member] | Substandard [Member] |
|
|
|
| Loans |
963,120
|
4,051,680
|
|
| Consumer and Other Portfolio Segment [Member] | Consumer [Member] |
|
|
|
| Loans |
19,695,241
|
20,605,465
|
22,820,314
|
| Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Pass [Member] |
|
|
|
| Loans |
19,071,739
|
20,037,996
|
|
| Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Special Mention [Member] |
|
|
|
| Loans |
225,959
|
156,739
|
|
| Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Substandard [Member] |
|
|
|
| Loans |
397,543
|
410,730
|
|
| Consumer and Other Portfolio Segment [Member] | Other [Member] |
|
|
|
| Loans |
16,747,861
|
16,490,737
|
$ 7,209,682
|
| Consumer and Other Portfolio Segment [Member] | Other [Member] | Pass [Member] |
|
|
|
| Loans |
16,747,861
|
16,465,593
|
|
| Consumer and Other Portfolio Segment [Member] | Other [Member] | Special Mention [Member] |
|
|
|
| Loans |
0
|
636
|
|
| Consumer and Other Portfolio Segment [Member] | Other [Member] | Substandard [Member] |
|
|
|
| Loans |
|
$ 24,508
|
|