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Note 15 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Other Real Estate, Foreclosed Assets, and Repossessed Assets, Total | $ 4,918 | $ 10,244 |
Minimum [Member] |  |  |
Estimated Sales Cost Applied To Collateral | 3.00% |  |
Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |
Warrants and Rights Outstanding, Measurement Input | 0.0020 |  |
Minimum [Member] | Measurement Input, Price Volatility [Member] |  |  |
Warrants and Rights Outstanding, Measurement Input | 0.1702 |  |
Minimum [Member] | Warrants Outstanding [Member] |  |  |
Expected Life Of Warrants (Year) | 1 year |  |
Maximum [Member] |  |  |
Estimated Sales Cost Applied To Collateral | 6.00% |  |
Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |
Warrants and Rights Outstanding, Measurement Input | 0.0075 |  |
Maximum [Member] | Measurement Input, Price Volatility [Member] |  |  |
Warrants and Rights Outstanding, Measurement Input | 0.2787 |  |
Maximum [Member] | Warrants Outstanding [Member] |  |  |
Expected Life Of Warrants (Year) | 6 years |  |
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, Total | $ 4,900 | $ 10,200 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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=120398452&loc=d3e534808-122878 + Details
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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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