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Note 3 - Available-for-sale Securities (Details) - Investment Debt Securities by Contractual Maturity - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Maturity: |  |
Total | $ 29,625 | $ 34,135
Total | 29,377 | 33,682
Corporate Debt Securities [Member] |  |
Maturity: |  |
Bonds Five years to 10 Year- Amortized cost | 9,000 |
Bonds Five years to 10 Year- Fair value | 9,010 |
Total | 9,000 | 9,000
Total | 9,010 | 8,936
US Government Agencies Debt Securities [Member] |  |
Maturity: |  |
Bonds Five years to 10 Year- Amortized cost | 5,000 |
Bonds Five years to 10 Year- Fair value | 4,954 |
Total | 5,000 | 7,500
Total | 4,954 | 7,409
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Maturity: |  |
U.S. Government agency mortgage-backed securities | 13,625 |
U.S. Government agency mortgage-backed securities | 13,413 |
Total | 13,625 | 17,635
Total | 13,413 | $ 17,337
Subordinated Notes [Member] |  |
Maturity: |  |
Bonds Five years to 10 Year- Amortized cost | 2,000 |
Bonds Five years to 10 Year- Fair value | 2,000 |
Total | 2,000 |
Total | $ 2,000 |

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the sixth fiscal year through the tenth 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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 + Details
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