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Note 11 - Income Taxes - Schedule of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income tax expense at federal statutory rate									$ 475	$ 1,206
Increase (decrease) resulting from:
Tax-exempt interest									(217)	(240)
Bank-owned life insurance									(106)	(108)
State income tax expense, net of federal income taxes									29	100
Other									(12)	(7)
Total	$ (237)	$ 162	$ 144	$ 100	$ 81	$ 207	$ 312	$ 351	$ 169	$ 951

X

- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deductible life insurance expense.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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