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Note 1 - Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Number of Stores | 29 |
Deferred Tax Assets, Valuation Allowance | $ 0 | $ 0
Held-to-maturity Securities | 0 |
Trading Securities | 0 |
Goodwill, Impairment Loss | 0 |
Servicing Contracts [Member] |  |
Other Intangible Assets, Net | $ 0 | $ 0
Risk Level, High [Member] | Eagle Commercial Ventures, LLC [Member] |  |
Number of Higher Risk Lending Transactions Outstanding | 3 | 4
Loans Receivable, Net | $ 9,300,000 | $ 9,200,000
Minimum [Member] |  |
Loan Period | 30 days |
Minimum [Member] | Furniture and Fixtures [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Minimum [Member] | Computer Equipment [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Minimum [Member] | Building Improvements [Member] |  |
Property, Plant and Equipment, Useful Life | 5 years |
Maximum [Member] |  |
Loan Period | 90 days |
Maximum [Member] | Furniture and Fixtures [Member] |  |
Property, Plant and Equipment, Useful Life | 7 years |
Maximum [Member] | Computer Equipment [Member] |  |
Property, Plant and Equipment, Useful Life | 5 years |
Maximum [Member] | Building Improvements [Member] |  |
Property, Plant and Equipment, Useful Life | 20 years |
Banking Services [Member] |  |
Number of Stores | 21 |
Lending Services [Member] |  |
Number of Stores | 5 |

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