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Note 21 - Fair Value Measurements and Fair Values of Financial Instruments - Valuation Techniques and the Unobservable Inputs Used in Determining Fair Value - Recurring Basis (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Fair Value, Recurring [Member] |  |
Fair value | $ 1,277,000 | $ 1,404,000
Valuation Technique, Discounted Cash Flow [Member] | Servicing Rights Assets [Member] |  |
Discount rate | 12.50% | 12.50%
Weighted-average PSA | 183.00% | 114.00%
Servicing fees of loan balances | 0.25% | 0.25%
Servicing fees of payments are late | 4.00% | 4.00%
Late fees assessed | 5.00% | 5.00%
Miscellaneous fees per account per month | $ 1.94 | $ 1.94
Monthly servicing cost per account | 6 | 6
Additional monthly servicing cost per loan on loans more than 30 days delinquent | $ 24 | $ 24
Servicing costs of loans more than 30 days delinquent | 1.50% | 1.50%
Annual increase in servicing costs | 3.00% | 3.00%
Valuation Technique, Discounted Cash Flow [Member] | Fair Value, Recurring [Member] |  |
Fair value | $ 1,277,000 | $ 1,404,000

X
- Definition The additional monthly servicing cost per loan for loans that are more than 30 days delinquent. + References No definition available. + Details
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X
- Definition Annual increase in servicing costs expressed as a percentage. + 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 No definition available. + Details
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- Definition Servicing fees associated with loan balances. + References No definition available. + Details
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- Definition Servicing fees associated with late fees assessed. + References No definition available. + Details
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X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746 + Details
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