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Note 4 - Loans/Leases Receivable (Details) | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Losses On Residual Value | $ 0 | $ 0 | $ 0
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Mortgage | 565,850 | 553,000 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 10,648,211 | 18,587,778 |
Financing Receivable, Modifications, Recorded Investment | $ 2,587,413 | $ 6,434,259 |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 0 | 0 |
Financing Receivable, Modifications, Number of Contracts | 2 | 10 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 37,979 | $ 2,024,784 |
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down |  | 89,443 |
Threshold for Related Party Loans Evaluated | 60,000 | 60,000 | $ 60,000
Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,533,657 | $ 5,013,041 |
Restructured and Charged off [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts |  | 1 |
Nonaccrual [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts |  | 5 |
Financing Receivable, Modifications, Post-Modification Recorded Investment |  | $ 1,387,147 |
Residential Portfolio Segment [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Mortgage | 565,850 | 553,000 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,016,743 | 1,299,545 |
Residential Portfolio Segment [Member] | Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 119,305 | 506,283 |
Commercial Portfolio Segment [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 5,791,975 | 7,986,421 |
Commercial Portfolio Segment [Member] | Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,164,423 | 1,227,537 |
Commercial Real Estate Portfolio Segment [Member] | Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 193,804 | 3,214,468 |
Finance Leases Portfolio Segment [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,701,341 | 1,105,715 |
Finance Leases Portfolio Segment [Member] | Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 42,098 | 61,144 |
Consumer Portfolio Segment [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | 109,117 | 645,481 |
Consumer Portfolio Segment [Member] | Troubled Debt Restructurings [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Financing Receivable, Recorded Investment, Nonaccrual Status | $ 14,027 | $ 3,609 |
No Lease End Option Rider [Member] |  |  |
Note 4 - Loans/Leases Receivable (Details) [Line Items] |  |  |
Number of Leases | 16 | 27 |
Leveraged Lease Investment | $ 1,165,706 | $ 1,488,342 |

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