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Note 3 - Loans Leases Receivable - Impaired Loans Leases (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Dec. 31, 2016
Interest income recognized with specific allowance recorded | $ 38,044 | $ 3,416 | $ 104,950 |
Interest income recognized for cash payments received with specific allowance recorded | 38,044 | 3,416 | 104,950 |
Average recorded investment | 19,520,131 | 11,592,924 | 19,249,865 |
Interest income recognized | 86,610 | 27,845 | 180,924 |
Interest income recognized for cash payments received | 86,610 | 27,845 | 180,924 |
Recorded investment | 19,905,183 |  | 19,905,183 | $ 20,072,099
Unpaid principal balance | 199,942,388 |  | 199,942,388 | 20,392,750
Interest income recognized with no specific allowance recorded | 48,566 | 24,429 | 75,974 |
Interest income recognized for cash payments received with no specific allowance recorded | 48,566 | 24,429 | 75,974 |
Recorded investment with no specific allowance recorded | 5,780,824 |  | 5,780,824 | 4,637,593
Unpaid principal balance with no specific allowance recorded | 5,866,040 |  | 5,866,040 | 4,880,273
Average recorded investment with no specific allowance recorded | 5,411,867 | 6,318,588 | 5,304,597 |
Interest income recognized with no specific allowance recorded | 48,566 | 24,429 | 75,974 |
Interest income recognized for cash payments received with no specific allowance recorded | 48,566 | 24,429 | 75,974 |
Recorded investment with specific allowance recorded | 14,124,359 |  | 14,124,359 | 15,434,506
Unpaid principal balance with specific allowance recorded | 14,128,198 |  | 14,128,198 | 15,512,477
Related allowance | 3,355,720 |  | 3,355,720 | 3,642,968
Average recorded investment with specific allowance recorded | 14,108,264 | 5,274,336 | 13,945,269 |
Commercial Portfolio Segment [Member] |  |  |  |
Interest income recognized with specific allowance recorded | 35,055 |  | 97,721 |
Interest income recognized for cash payments received with specific allowance recorded | 35,055 |  | 97,721 |
Average recorded investment | 8,872,011 | 4,816,539 | 8,732,509 |
Interest income recognized | 44,454 | 3,519 | 114,472 |
Interest income recognized for cash payments received | 44,454 | 3,519 | 114,472 |
Recorded investment | 8,985,913 |  | 8,985,913 | 8,936,451
Unpaid principal balance | 9,000,189 |  | 9,000,189 | 9,049,995
Interest income recognized with no specific allowance recorded | 9,399 | 3,519 | 16,751 |
Interest income recognized for cash payments received with no specific allowance recorded | 9,399 | 3,519 | 16,751 |
Recorded investment with no specific allowance recorded | 993,551 |  | 993,551 | 841,895
Unpaid principal balance with no specific allowance recorded | 1,003,988 |  | 1,003,988 | 951,600
Average recorded investment with no specific allowance recorded | 805,309 | 2,524,056 | 802,367 |
Interest income recognized with no specific allowance recorded | 9,399 | 3,519 | 16,751 |
Interest income recognized for cash payments received with no specific allowance recorded | 9,399 | 3,519 | 16,751 |
Recorded investment with specific allowance recorded | 7,992,362 |  | 7,992,362 | 8,094,556
Unpaid principal balance with specific allowance recorded | 7,996,201 |  | 7,996,201 | 8,098,395
Related allowance | 1,580,113 |  | 1,580,113 | 1,771,537
Average recorded investment with specific allowance recorded | 8,066,702 | 2,292,483 | 7,930,142 |
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] |  |  |  |
Interest income recognized with specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with specific allowance recorded |  |  |  |
Average recorded investment | 238,584 | 121,444 | 266,439 |
Interest income recognized |  |  |  |
Interest income recognized for cash payments received |  |  |  |
Recorded investment | 155,020 |  | 155,020 | 322,148
Unpaid principal balance | 155,020 |  | 155,020 | 415,922
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with no specific allowance recorded |  |  |  |
Unpaid principal balance with no specific allowance recorded |  |  |  | 93,774
Average recorded investment with no specific allowance recorded |  | 121,444 |  |
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with specific allowance recorded | 155,020 |  | 155,020 | 322,148
Unpaid principal balance with specific allowance recorded | 155,020 |  | 155,020 | 322,148
Related allowance | 111,520 |  | 111,520 | 57,398
Average recorded investment with specific allowance recorded | 238,584 |  | 266,439 |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |
Interest income recognized with specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with specific allowance recorded |  |  |  |
Average recorded investment | 4,348,142 | 190,174 | 4,350,033 |
Interest income recognized |  |  |  |
Interest income recognized for cash payments received |  |  |  |
Recorded investment | 4,347,017 |  | 4,347,017 | 4,353,819
Unpaid principal balance | 4,347,017 |  | 4,347,017 | 4,353,817
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with no specific allowance recorded |  |  |  |
Unpaid principal balance with no specific allowance recorded |  |  |  |
Average recorded investment with no specific allowance recorded |  |  |  |
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with specific allowance recorded | 4,347,017 |  | 4,347,017 | 4,353,819
Unpaid principal balance with specific allowance recorded | 4,347,017 |  | 4,347,017 | 4,353,817
Related allowance | 820,811 |  | 820,811 | 577,611
Average recorded investment with specific allowance recorded | 4,348,142 | 190,174 | 4,350,034 |
Commercial Real Estate Portfolio Segment [Member] | Other Non-owner Occupied Commercial Real Estate Loans [Member] |  |  |  |
Interest income recognized with specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with specific allowance recorded |  |  |  |
Average recorded investment | 1,198,421 | 1,969,760 | 1,196,735 |
Interest income recognized |  |  |  |
Interest income recognized for cash payments received |  |  |  |
Recorded investment | 1,225,337 |  | 1,225,337 | 1,436,149
Unpaid principal balance | 1,225,337 |  | 1,225,337 | 1,436,149
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with no specific allowance recorded | 1,148,818 |  | 1,148,818 | 1,196,549
Unpaid principal balance with no specific allowance recorded | 1,148,818 |  | 1,148,818 | 1,196,549
Average recorded investment with no specific allowance recorded | 1,160,161 | 1,311,540 | 1,171,229 |
Interest income recognized with no specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with no specific allowance recorded |  |  |  |
Recorded investment with specific allowance recorded | 76,519 |  | 76,519 | 239,600
Unpaid principal balance with specific allowance recorded | 76,519 |  | 76,519 | 239,600
Related allowance | 6,119 |  | 6,119 | 58,910
Average recorded investment with specific allowance recorded | 38,260 | 658,220 | 25,506 |
Finance Leases Portfolio Segment [Member] |  |  |  |
Interest income recognized with specific allowance recorded |  |  |  |
Interest income recognized for cash payments received with specific allowance recorded |  |  |  |
Average recorded investment | 3,317,621 | 2,506,433 | 3,297,169 |
Interest income recognized | 38,949 | 19,897 | 57,844 |
Interest income recognized for cash payments received | 38,949 | 19,897 | 57,844 |
Recorded investment | 3,553,173 |  | 3,553,173 | 3,256,262
Unpaid principal balance | 3,553,173 |  | 3,553,173 | 3,256,264
Interest income recognized with no specific allowance recorded | 38,949 | 19,897 | 57,844 |
Interest income recognized for cash payments received with no specific allowance recorded | 38,949 | 19,897 | 57,844 |
Recorded investment with no specific allowance recorded | 2,739,319 |  | 2,739,319 | 1,690,121
Unpaid principal balance with no specific allowance recorded | 2,739,319 |  | 2,739,319 | 1,690,121
Average recorded investment with no specific allowance recorded | 2,560,019 | 1,510,987 | 2,557,608 |
Interest income recognized with no specific allowance recorded | 38,949 | 19,897 | 57,844 |
Interest income recognized for cash payments received with no specific allowance recorded | 38,949 | 19,897 | 57,844 |
Recorded investment with specific allowance recorded | 813,854 |  | 813,854 | 1,566,141
Unpaid principal balance with specific allowance recorded | 813,854 |  | 813,854 | 1,566,143
Related allowance | 550,575 |  | 550,575 | 848,919
Average recorded investment with specific allowance recorded | 757,602 | 995,446 | 739,561 |
Residential Portfolio Segment [Member] |  |  |  |
Interest income recognized with specific allowance recorded | 2,989 | 1,948 | 7,229 |
Interest income recognized for cash payments received with specific allowance recorded | 2,989 | 1,948 | 7,229 |
Average recorded investment | 1,337,434 | 1,540,625 | 1,233,005 |
Interest income recognized | 2,989 | 2,961 | 8,390 |
Interest income recognized for cash payments received | 2,989 | 2,961 | 8,390 |
Recorded investment | 1,398,615 |  | 1,398,615 | 1,661,180
Unpaid principal balance | 1,473,393 |  | 1,473,393 | 1,774,513
Interest income recognized with no specific allowance recorded |  | 1,013 | 1,161 |
Interest income recognized for cash payments received with no specific allowance recorded |  | 1,013 | 1,161 |
Recorded investment with no specific allowance recorded | 710,118 |  | 710,118 | 853,294
Unpaid principal balance with no specific allowance recorded | 784,896 |  | 784,896 | 892,495
Average recorded investment with no specific allowance recorded | 712,793 | 621,354 | 628,555 |
Interest income recognized with no specific allowance recorded |  | 1,013 | 1,161 |
Interest income recognized for cash payments received with no specific allowance recorded |  | 1,013 | 1,161 |
Recorded investment with specific allowance recorded | 688,497 |  | 688,497 | 807,886
Unpaid principal balance with specific allowance recorded | 688,497 |  | 688,497 | 882,018
Related allowance | 266,217 |  | 266,217 | 289,112
Average recorded investment with specific allowance recorded | 624,641 | 919,271 | 604,450 |
Consumer Portfolio Segment [Member] |  |  |  |
Interest income recognized with specific allowance recorded |  | 1,468 |  |
Interest income recognized for cash payments received with specific allowance recorded |  | 1,468 |  |
Average recorded investment | 207,918 | 447,949 | 173,975 |
Interest income recognized | 218 | 1,468 | 218 |
Interest income recognized for cash payments received | 218 | 1,468 | 218 |
Recorded investment | 240,108 |  | 240,108 | 106,090
Unpaid principal balance | 240,109 |  | 240,109 | 106,090
Interest income recognized with no specific allowance recorded | 218 |  | 218 |
Interest income recognized for cash payments received with no specific allowance recorded | 218 |  | 218 |
Recorded investment with no specific allowance recorded | 189,018 |  | 189,018 | 55,734
Unpaid principal balance with no specific allowance recorded | 189,019 |  | 189,019 | 55,734
Average recorded investment with no specific allowance recorded | 173,585 | 229,207 | 144,838 |
Interest income recognized with no specific allowance recorded | 218 |  | 218 |
Interest income recognized for cash payments received with no specific allowance recorded | 218 |  | 218 |
Recorded investment with specific allowance recorded | 51,090 |  | 51,090 | 50,356
Unpaid principal balance with specific allowance recorded | 51,090 |  | 51,090 | 50,356
Related allowance | 20,365 |  | 20,365 | $ 39,481
Average recorded investment with specific allowance recorded | $ 34,333 | $ 218,742 | $ 29,137 |

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