Note 11 - Regulatory Restrictions (Details) - Capital Ratios and Regulatory Minimum Requirements - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Consolidated Entities [Member]
Total risk-based capital (to risk-weighted assets):
Risk-based capital (to risk-weighted assets) actual amount	$ 97,163	$ 93,927
Risk-based capital (to risk-weighted assets) actual ratio	13.01%	14.06%
Risk-based capital (to risk-weighted assets) adequately capitalized amount	$ 59,765	$ 53,425
Risk-based capital (to risk-weighted assets) adequately capitalized ratio	8.00%	8.00%
Risk-based capital (to risk-weighted assets) well capitalized amount	$ 74,706
Risk-based capital (to risk-weighted assets) well capitalized ratio	10.00%
Tier I capital (to risk-weighted assets):
Tier 1 capital (to risk-weighted assets) actual amount	$ 89,435	$ 85,439
Tier 1 capital (to risk-weighted assets) actual ratio	11.97%	12.79%
Tier 1 capital (to risk-weighted assets) adequately capitalized amount	$ 44,824	$ 26,713
Tier 1 capital (to risk-weighted assets) adequately capitalized ratio	6.00%	4.00%
Tier 1 capital (to risk-weighted assets) well capitalized amount	$ 44,824
Tier 1 capital (to risk-weighted assets) well capitalized ratio	6.00%
Common equity tier 1 capital (to risk-weighted assets):
Common equity tier 1 capital (to risk-weighted assets) actual amount	$ 89,435
Common equity tier 1 capital (to risk-weighted assets) actual ratio	11.97%
Common equity tier 1 capital (to risk-weighted assets) adequately capitalized amount	$ 33,618
Common equity tier 1 capital (to risk-weighted assets) adequately capitalized ratio	4.50%
Common equity tier 1 capital (to risk-weighted assets) well capitalized amount
Common equity tier 1 capital (to risk-weighted assets) well capitalized ratio
Tier I capital (to average assets):
Tier 1 capital (to average assets) actual amount	$ 89,435	$ 85,439
Tier 1 capital (to average assets) actual ratio	8.99%	8.65%
Tier 1 capital (to average assets) adequately capitalized amount	$ 39,811	$ 39,501
Tier 1 capital (to average assets) adequately capitalized ratio	4.00%	4.00%
Tier 1 capital (to average assets) well capitalized amount
Tier 1 capital (to average assets) well capitalized ratio
Bank [Member]
Total risk-based capital (to risk-weighted assets):
Risk-based capital (to risk-weighted assets) actual amount	$ 89,971	$ 86,884
Risk-based capital (to risk-weighted assets) actual ratio	12.40%	13.14%
Risk-based capital (to risk-weighted assets) adequately capitalized amount	$ 58,057	$ 52,891
Risk-based capital (to risk-weighted assets) adequately capitalized ratio	8.00%	8.00%
Risk-based capital (to risk-weighted assets) well capitalized amount	$ 72,571	$ 66,114
Risk-based capital (to risk-weighted assets) well capitalized ratio	10.00%	10.00%
Tier I capital (to risk-weighted assets):
Tier 1 capital (to risk-weighted assets) actual amount	$ 82,243	$ 78,824
Tier 1 capital (to risk-weighted assets) actual ratio	11.33%	11.92%
Tier 1 capital (to risk-weighted assets) adequately capitalized amount	$ 43,543	$ 26,446
Tier 1 capital (to risk-weighted assets) adequately capitalized ratio	6.00%	4.00%
Tier 1 capital (to risk-weighted assets) well capitalized amount	$ 58,057	$ 39,669
Tier 1 capital (to risk-weighted assets) well capitalized ratio	8.00%	6.00%
Common equity tier 1 capital (to risk-weighted assets):
Common equity tier 1 capital (to risk-weighted assets) actual amount	$ 82,243
Common equity tier 1 capital (to risk-weighted assets) actual ratio	11.33%
Common equity tier 1 capital (to risk-weighted assets) adequately capitalized amount	$ 32,657
Common equity tier 1 capital (to risk-weighted assets) adequately capitalized ratio	4.50%
Common equity tier 1 capital (to risk-weighted assets) well capitalized amount	$ 47,171
Common equity tier 1 capital (to risk-weighted assets) well capitalized ratio	6.50%
Tier I capital (to average assets):
Tier 1 capital (to average assets) actual amount	$ 82,243	$ 78,824
Tier 1 capital (to average assets) actual ratio	8.32%	8.04%
Tier 1 capital (to average assets) adequately capitalized amount	$ 39,522	$ 39,237
Tier 1 capital (to average assets) adequately capitalized ratio	4.00%	4.00%
Tier 1 capital (to average assets) well capitalized amount	$ 49,403	$ 49,047
Tier 1 capital (to average assets) well capitalized ratio	5.00%	5.00%

Common equity tier 1 capital as defined in the regulations.

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The amount of total capital as defined in the regulations.

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

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Tier 1 Risk Based Capital as defined in the regulations.

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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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