Note 4 - Investment and Equity Securities (Details Textual) |
12 Months Ended | |||
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Dec. 31, 2020
USD ($)
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Dec. 31, 2019
USD ($)
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Equity Securities, FV-NI | $ 609,000 | $ 710,000 | ||
Equity Securities, FV-NI, Unrealized Gain (Loss), Total | [1] | (101,000) | 94,000 | |
Equity Securities, FV-NI, Realized Gain (Loss), Total | 0 | 0 | ||
Security Owned and Pledged as Collateral, Fair Value, Total | 71,100,000 | 55,600,000 | ||
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax, Total | $ 0 | 41,000 | ||
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 10 | |||
Available-for-sale Securities, Percentage of Portfolio | 81.40% | |||
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total | $ 0 | $ 0 | ||
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X | ||||||||||
- Definition Represents a percentage of the available-for-sale securities portfolio. No definition available.
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X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Definition Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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