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Note 4 - Loans/Leases Receivable (Details) - Troubled Debt Restructurings | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases | 2 | 10
Pre-Modification Recorded Investment | $ 37,979 | $ 2,049,463
Post-Modification Recorded Investment | 37,979 | 2,024,784
Specific Allowance | $ 12,013 | $ 495,545
Interest Rate Below Market Reduction [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases | 2 |
Pre-Modification Recorded Investment | $ 37,979 |
Post-Modification Recorded Investment | 37,979 |
Specific Allowance | $ 12,013 |
Extended Maturity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 5
Pre-Modification Recorded Investment |  | $ 636,021
Post-Modification Recorded Investment |  | 636,021
Specific Allowance |  | $ 210,644
Payment Deferral [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 3
Pre-Modification Recorded Investment |  | $ 889,154
Post-Modification Recorded Investment |  | 889,154
Specific Allowance |  | $ 217,524
Foregiveness of Principal [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 96,439
Post-Modification Recorded Investment |  | 71,760
Specific Allowance |  | $ 6,948
Other Modification [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 427,849
Post-Modification Recorded Investment |  | 427,849
Specific Allowance |  | $ 60,429
Consumer Portfolio Segment [Member] | Interest Rate Below Market Reduction [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases | 2 |
Pre-Modification Recorded Investment | $ 37,979 |
Post-Modification Recorded Investment | 37,979 |
Specific Allowance | $ 12,013 |
Consumer Portfolio Segment [Member] | Extended Maturity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 113,653
Post-Modification Recorded Investment |  | 113,653
Specific Allowance |  | $ 113,653
Commercial Portfolio Segment [Member] | Extended Maturity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 58,987
Post-Modification Recorded Investment |  | 58,987
Specific Allowance |  | $ 58,987
Commercial Portfolio Segment [Member] | Payment Deferral [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 3
Pre-Modification Recorded Investment |  | $ 889,154
Post-Modification Recorded Investment |  | 889,154
Specific Allowance |  | $ 217,524
Commercial Portfolio Segment [Member] | Foregiveness of Principal [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 96,439
Post-Modification Recorded Investment |  | 71,760
Specific Allowance |  | $ 6,948
Commercial Portfolio Segment [Member] | Other Modification [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 427,849
Post-Modification Recorded Investment |  | 427,849
Specific Allowance |  | $ 60,429
Finance Leases Portfolio Segment [Member] | Extended Maturity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 2
Pre-Modification Recorded Investment |  | $ 303,701
Post-Modification Recorded Investment |  | 303,701
Specific Allowance |  | $ 12,644
Residential Portfolio Segment [Member] | Extended Maturity [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Loans/Leases |  | 1
Pre-Modification Recorded Investment |  | $ 159,680
Post-Modification Recorded Investment |  | 159,680
Specific Allowance |  | $ 25,360

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