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Note 6 - Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2018
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(Dollars in thousands) |  | Unrealized gains on available-for-sale securities (a) |
Balance as of March 31, 2018 |  | $ | (373 | )
Other comprehensive loss before reclassification |  |  | (58 | )
Balance at June 30, 2018 |  | $ | (431 | )
Balance as of December 31, 2017 |  | $ | 1,091 |
Other comprehensive loss before reclassification |  |  | (1,568 | )
Change in accounting principle, ASC 2016-01 (b) |  |  | (141 | )
Change in accounting principle, ASC 2018-02 (b) |  |  | 187 |
Period change |  |  | (1,522 | )
Balance at June 30, 2018 |  | $ | (431 | )
(Dollars in thousands) |  | Unrealized gains on available-for-sale securities (a) |
Balance as of March 31, 2017 |  | $ | 1,032 |
Other comprehensive income before reclassification |  |  | 783 |
Amount reclassified from accumulated other comprehensive income |  |  | - |
Period change |  |  | 783 |
Balance at June 30, 2017 |  | $ | 1,815 |
Balance as of December 31, 2016 |  | $ | 1,201 |
Other comprehensive income before reclassification |  |  | 936 |
Amount reclassified from accumulated other comprehensive income |  |  | (322 | )
Period change |  |  | 614 |
Balance at June 30, 2017 |  | $ | 1,815 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | Amount Reclassified from Accumulated Other Comprehensive Income |  |  | Affected Line Item in the Statement Where
(Dollars in thousands) |  | For the Six Months Ended |  |  | Net Income is
Details about other comprehensive income |  | June 30, 2018 |  |  | June 30, 2017 |  |  | Presented
Unrealized gains on available-for-sale securities (a) |  | $ | - |  |  | $ | 488 |  |  | Investment securities gains on sale, net Income taxes
|  |  | - |  |  |  | (166 | ) |  |
|  | $ | - |  |  | $ | 322 |  |  |

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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