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Note 3 - Available-for-sale Securities - Investment Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Amortized cost, due within 5 years | $ 7,504 | $ 7,823
Amortized cost, due after 5 years through 10 years | 29,745 | 30,226
Amortized cost, due after 10 years | 9,932 | 10,811
Available-for-sale securities, amortized cost | 47,181 | 48,860
Fair value, due within 5 years | 7,241 | 7,961
Fair value, due after 5 years through 10 years | 27,407 | 29,497
Fair value, due after 10 years | 10,182 | 10,859
Fair value, total | 44,830 | 48,317
Corporate Debt Securities [Member] |  |
Amortized cost, due within 5 years | 4,017 | 4,018
Amortized cost, due after 5 years through 10 years | 14,000 | 14,000
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 18,017 | 18,018
Fair value, due within 5 years | 3,739 | 4,151
Fair value, due after 5 years through 10 years | 11,756 | 13,162
Fair value, due after 10 years |  |
Fair value, total | 15,495 | 17,313
Subordinated Notes [Member] |  |
Amortized cost, due within 5 years |  |
Amortized cost, due after 5 years through 10 years | 9,025 | 9,022
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 9,025 | 9,022
Fair value, due within 5 years |  |
Fair value, due after 5 years through 10 years | 8,947 | 9,204
Fair value, due after 10 years |  |
Fair value, total | 8,947 | 9,204
SBA Loan Pools [Member] |  |
Amortized cost, due within 5 years |  |
Amortized cost, due after 5 years through 10 years | 4,805 | 5,157
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 4,805 | 5,157
Fair value, due within 5 years |  |
Fair value, due after 5 years through 10 years | 4,770 | 5,115
Fair value, due after 10 years |  |
Fair value, total | 4,770 | 5,115
Available-for-sale Securities with Single Maturity Dates [Member] |  |
Amortized cost, due within 5 years | 4,017 | 4,018
Amortized cost, due after 5 years through 10 years | 27,830 | 28,179
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 31,847 | 32,197
Fair value, due within 5 years | 3,739 | 4,151
Fair value, due after 5 years through 10 years | 25,473 | 27,481
Fair value, due after 10 years |  |
Fair value, total | 29,212 | 31,632
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Amortized cost, due within 5 years | 3,487 | 3,805
Amortized cost, due after 5 years through 10 years | 1,915 | 2,047
Amortized cost, due after 10 years | 9,932 | 10,811
Available-for-sale securities, amortized cost | 15,334 | 16,663
Fair value, due within 5 years | 3,502 | 3,810
Fair value, due after 5 years through 10 years | 1,934 | 2,016
Fair value, due after 10 years | 10,182 | 10,859
Fair value, total | $ 15,618 | $ 16,685

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the first fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Fair value of available-for-sale debt securities maturing in the first fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 + Details
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
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