Note 21 - Regulatory Matters (Details) - Actual Capital Amounts and Ratios - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Actual Capital Amounts and Ratios [Abstract]
Total capital (to risk weighted assets) actual amount	$ 67,540	$ 53,545
Total capital (to risk weighted assets) actual ratio	16.07%	15.80%
Total capital (to risk weighted assets) minimum amount for capital adequacy purposes	$ 33,624	$ 27,105
Total capital (to risk weighted assets) minimum ratio for capital adequacy purposes	8.00%	8.00%
Total capital (to risk weighted assets) minimum amount to be well capitalized under prompt corrective action provisions	$ 42,030	$ 33,881
Total capital (to risk weighted assets) minimum ratio to be well capitalized under prompt corrective action provisions	10.00%	10.00%
Tier I capital (to risk weighted assets) actual amount	$ 64,125	$ 49,302
Tier I capital (to risk weighted assets) actual ratio	15.26%	14.55%
Tier I capital (to risk weighted assets) minimum amount for capital adequacy purposes	$ 25,218
Tier I capital (to risk weighted assets) minimum amount for capital adequacy purposes ratio	6.00%
Tier I capital (to risk weighted assets) minimum amount to be well capitalized under prompt corrective action provisions	$ 33,624	$ 20,329
Tier I capital (to risk weighted assets) minimum ratio to be well capitalized under prompt corrective action provisions	8.00%	6.00%
Tier I capital (to adjusted total assets) actual amount	$ 64,125	$ 49,302
Tier I capital (to adjusted total assets) actual ratio	15.26%	10.59%
Tier I capital (to adjusted total assets) minimum amount for capital adequacy purposes	$ 18,913	$ 18,624
Tier I capital (to adjusted total assets) minimum ratio for capital adequacy purposes	4.50%	4.00%
Tier I capital (to adjusted total assets) minimum amount to be well capitalized under prompt corrective action provisions	$ 27,319	$ 23,280
Tier I capital (to adjusted total assets) minimum ratio to be well capitalized under prompt corrective action provisions	6.50%	5.00%
Tangible capital (to adjusted total assets) actual amount	$ 64,125	$ 49,302
Tangible capital (to adjusted total assets) actual ratio	12.15%	10.59%
Tangible capital (to adjusted total assets) minimum amount for capital adequacy purposes	$ 21,110	$ 6,984
Tangible capital (to adjusted total assets) minimum ratio for capital adequacy purposes	4.00%	1.50%
Tangible capital (to adjusted total assets) minimum amount to be well capitalized under prompt corrective action provisions	$ 26,387
Tangible capital (to adjusted total assets) minimum amount to be well capitalized under prompt corrective action provisions ratio	5.00%

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Tangible Capital Required To Be Well Capitalized

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The amount of total capital as defined in the regulations.

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tangible capital as defined in the regulations (generally includes outstanding stock plus retained earnings) for banking institutions subject to Office of Thrift Supervision (OTS) capital requirements.

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The minimum amount of tangible capital required under the regulatory framework for prompt corrective action.

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The minimum amount of Tangible Capital divided by tangible assets (Tangible Capital Ratio) as defined in the regulations.

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Tangible Capital divided by Tangible assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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