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Note 12 - Fair Value Measurements (Details Textual) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Number of Reporting Units | 2 |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Warrants | $ 97,000 | $ 79,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets | $ 18,115,000 | 20,070,000
Accounts Receivable Collateral [Member] |  |
Collateral Discount Rates | 55.00% |
Inventory Collateral [Member] |  |
Collateral Discount Rates | 65.00% |
Net of Estimated Disposal Costs [Member] |  |
Other Real Estate, Foreclosed Assets, and Repossessed Assets | $ 18,100,000 | $ 20,100,000
Minimum [Member] |  |
Expected Life Of Warrants | 1 year |
Estimated Sales Cost Applied To Collateral | 3.00% |
Minimum [Member] | Warrants Outstanding [Member] |  |
Fair Value Assumptions, Risk Free Interest Rate | 1.51% |
Fair Value Assumptions, Expected Volatility Rate | 5.05% |
Maximum [Member] |  |
Expected Life Of Warrants | 6 years |
Estimated Sales Cost Applied To Collateral | 6.00% |
Maximum [Member] | Warrants Outstanding [Member] |  |
Fair Value Assumptions, Risk Free Interest Rate | 2.28% |
Fair Value Assumptions, Expected Volatility Rate | 12.60% |
Core Deposits [Member] | Minimum [Member] |  |
Finite-Lived Intangible Asset, Useful Life | 4 years |
Core Deposits [Member] | Maximum [Member] |  |
Finite-Lived Intangible Asset, Useful Life | 10 years |

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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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