Note 5 - Allowance for Loan Losses - Segregated by Class of Loan (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Allowance for loan losses, beginning balance |
$ 8,603,905
|
$ 8,802,316
|
$ 11,805,986
|
| Allowance for loan losses, charge-offs |
(2,087,850)
|
(2,083,347)
|
(5,104,491)
|
| Allowance for loan losses, recoveries |
1,345,238
|
1,019,436
|
792,821
|
| Provision for Loan Losses |
1,062,000
|
865,500
|
1,308,000
|
| Allowance for loan losses, ending balance |
8,923,293
|
8,603,905
|
8,802,316
|
| Commercial [Member] | Commercial and Agricultural Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
855,364
|
497,561
|
1,017,073
|
| Allowance for loan losses, charge-offs |
(304,918)
|
(454,971)
|
(624,944)
|
| Allowance for loan losses, recoveries |
66,738
|
52,111
|
76,002
|
| Provision for Loan Losses |
(160,987)
|
760,663
|
29,430
|
| Allowance for loan losses, ending balance |
456,197
|
855,364
|
497,561
|
| Commercial [Member] | Real Estate Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
3,850,527
|
3,664,777
|
4,379,276
|
| Allowance for loan losses, charge-offs |
(992,067)
|
(275,297)
|
(1,326,825)
|
| Allowance for loan losses, recoveries |
206,154
|
270,003
|
90,042
|
| Provision for Loan Losses |
2,686,384
|
191,044
|
522,284
|
| Allowance for loan losses, ending balance |
5,750,998
|
3,850,527
|
3,664,777
|
| Agricultural [Member] | Commercial and Agricultural Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
203,091
|
304,172
|
293,886
|
| Allowance for loan losses, charge-offs |
(19,258)
|
(5,000)
|
|
| Allowance for loan losses, recoveries |
4,150
|
3,600
|
2,700
|
| Provision for Loan Losses |
(20,291)
|
(99,681)
|
7,586
|
| Allowance for loan losses, ending balance |
167,692
|
203,091
|
304,172
|
| Commercial Construction [Member] | Real Estate Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
690,766
|
1,222,695
|
1,782,179
|
| Allowance for loan losses, charge-offs |
(25,318)
|
(97,698)
|
(1,543,099)
|
| Allowance for loan losses, recoveries |
814,586
|
485,834
|
485,005
|
| Provision for Loan Losses |
(1,157,309)
|
(920,065)
|
498,610
|
| Allowance for loan losses, ending balance |
322,725
|
690,766
|
1,222,695
|
| Residential Construction [Member] | Real Estate Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
19,890
|
138,092
|
138,092
|
| Allowance for loan losses, charge-offs |
|
|
|
| Allowance for loan losses, recoveries |
|
|
|
| Provision for Loan Losses |
(6,399)
|
(118,202)
|
|
| Allowance for loan losses, ending balance |
13,491
|
19,890
|
138,092
|
| Residential [Member] | Real Estate Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
1,990,355
|
2,425,327
|
3,278,269
|
| Allowance for loan losses, charge-offs |
(361,630)
|
(929,668)
|
(1,033,966)
|
| Allowance for loan losses, recoveries |
49,660
|
109,626
|
31,127
|
| Provision for Loan Losses |
(282,286)
|
385,070
|
149,897
|
| Allowance for loan losses, ending balance |
1,396,099
|
1,990,355
|
2,425,327
|
| Farmland [Member] | Real Estate Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
911,692
|
103,800
|
311,494
|
| Allowance for loan losses, charge-offs |
(119,576)
|
(40,000)
|
(233,580)
|
| Allowance for loan losses, recoveries |
145,000
|
20,000
|
20,000
|
| Provision for Loan Losses |
(214,785)
|
827,892
|
5,886
|
| Allowance for loan losses, ending balance |
722,331
|
911,692
|
103,800
|
| Consumer [Member] | Consumer and Other Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
63,377
|
66,914
|
243,253
|
| Allowance for loan losses, charge-offs |
(265,083)
|
(255,062)
|
(342,077)
|
| Allowance for loan losses, recoveries |
52,629
|
61,976
|
72,477
|
| Provision for Loan Losses |
229,342
|
189,549
|
93,261
|
| Allowance for loan losses, ending balance |
80,265
|
63,377
|
66,914
|
| Other [Member] | Consumer and Other Portfolio Segment [Member] |
|
|
|
| Allowance for loan losses, beginning balance |
18,843
|
378,978
|
362,464
|
| Allowance for loan losses, charge-offs |
|
(25,651)
|
|
| Allowance for loan losses, recoveries |
6,321
|
16,286
|
15,468
|
| Provision for Loan Losses |
(11,669)
|
(350,770)
|
1,046
|
| Allowance for loan losses, ending balance |
$ 13,495
|
$ 18,843
|
$ 378,978
|