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Note 14 - Accumulated Other Comprehensive Income (Loss) - Changes in Each Component of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Balance | $ 72,809 | $ 61,648 | $ 66,674 | [1] | $ 58,154
Unrealized holding losses (net of tax, ($443)) | 375 | (521) | 3,292 |  | (1,667)
Pension liability adjustment (net of tax, ($27)) |  |  |  |  | (99)
Change during period | 375 | (521) | 2,952 |  | (1,766)
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  | (340) |  |
Balance | 75,316 | 63,651 | 75,316 |  | 63,651
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |  |  |
Balance |  |  | (1,808) |  | (1,057)
Unrealized holding losses (net of tax, ($443)) |  |  | 3,292 |  | (1,667)
Pension liability adjustment (net of tax, ($27)) |  |  |  |  |
Change during period |  |  | 2,952 |  | (1,667)
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  | (340) |  |
Balance | 1,144 | (2,724) | 1,144 |  | (2,724)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |
Balance |  |  |  |  | 99
Unrealized holding losses (net of tax, ($443)) |  |  |  |  |
Pension liability adjustment (net of tax, ($27)) |  |  |  |  | (99)
Change during period |  |  |  |  | (99)
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  |  |  |
Balance |  |  |  |  |
AOCI Attributable to Parent [Member] |  |  |  |  |
Balance | 769 | (2,203) | (1,808) |  | (958)
Unrealized holding losses (net of tax, ($443)) |  |  | 3,292 |  | (1,667)
Pension liability adjustment (net of tax, ($27)) |  |  |  |  | (99)
Change during period | 375 | (521) | 2,952 |  | (1,766)
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  | (340) |  |
Balance | $ 1,144 | $ (2,724) | $ 1,144 |  | $ (2,724)
[1] | Derived from audited consolidated financial statements.

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