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Note 7 - Fair Value Measurements - Level 3 Fair Value Measurements (Details) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2017 | Dec. 31, 2016
Impaired loans [Member] | Present Value of Cash Flows [Member] | Minimum [Member] |  |
Discount rate | 6.75% | 6.75%
Impaired loans [Member] | Present Value of Cash Flows [Member] | Maximum [Member] |  |
Discount rate | 8.00% | 8.00%
Impaired loans [Member] | Present Value of Cash Flows [Member] | Weighted Average [Member] |  |
Discount rate | 7.36% | 7.35%
Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Minimum [Member] |  |
Selling cost | 1.79% | 2.91%
Discount rate | 1.41% | 0.00%
Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Maximum [Member] |  |
Selling cost | 11.09% | 8.60%
Discount rate | 53.46% | 53.46%
Other Real Estate Owned [Member] | Discounted Appraised Value [Member] | Weighted Average [Member] |  |
Selling cost | 4.91% | 6.48%
Discount rate | 9.34% | 13.66%

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- Definition Refers to the rate of selling cost. + References No definition available. + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + 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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- Details
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