Note 17 - The Bank’s Actual and Required Capital Amounts (Details) - USD ($) $ in Thousands	Mar. 31, 2016		Dec. 31, 2015
Consolidated Entities [Member]
Tier 1 Capital to Average Assets, Amount	$ 171,065		$ 170,819
Tier One Leverage Capital to Average Assets	9.16%		9.15%
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 74,698	[1]	$ 74,705
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Ratio	4.00%	[1]	4.00%
Common Equity Tier 1 to Risk-Weighted Assets, Amount	$ 171,065		$ 170,819
Common Equity to Risk Weighted Assets	10.65%		10.62%
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 72,280	[1]	$ 72,395
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	4.50%	[1]	4.50%
Tier 1 Capital to Risk-Weighted Assets, Amount	$ 171,065		$ 170,819
Tier One Risk Based Capital to Risk Weighted Assets	10.65%		10.62%
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 96,373	[1]	$ 96,526
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	6.00%	[1]	6.00%
Total Capital to Risk-Weighted Assets, Amount	$ 185,931		$ 185,369
Capital to Risk Weighted Assets	11.58%		11.52%
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 128,497	[1]	$ 128,702
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	8.00%	[1]	8.00%
Bear State Bank [Member]
Tier 1 Capital to Average Assets, Amount	$ 191,498		$ 150,561
Tier One Leverage Capital to Average Assets	10.26%		10.58%
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Amount	$ 74,662	[1]	$ 56,933
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Ratio	4.00%	[1]	4.00%
Tier 1 Capital to Average Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 93,328		$ 71,166
Tier 1 Capital to Average Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%		5.00%
Common Equity Tier 1 to Risk-Weighted Assets, Amount	$ 191,498		$ 150,561
Common Equity to Risk Weighted Assets	11.93%		12.19%
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 72,207	[1]	$ 55,564
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	4.50%	[1]	4.50%
Common Equity Capital Required to be Well Common Equity Tier 1 to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 104,299		$ 80,288
Common Equity Tier 1 to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.50%		6.50%
Tier 1 Capital to Risk-Weighted Assets, Amount	$ 191,498		$ 150,561
Tier One Risk Based Capital to Risk Weighted Assets	11.93%		12.19%
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 96,276	[1]	$ 74,112
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	6.00%	[1]	6.00%
Tier 1 Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 128,368		$ 98,816
Tier 1 Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio	8.00%		8.00%
Total Capital to Risk-Weighted Assets, Amount	$ 206,364		$ 164,500
Capital to Risk Weighted Assets	12.86%		13.32%
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount	$ 128,368	[1]	$ 98,816
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio	8.00%	[1]	8.00%
Total Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 160,460		$ 123,519
Total Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%		10.00%
Metropolitan National Bank [Member]
Tier 1 Capital to Average Assets, Amount			$ 36,776
Tier One Leverage Capital to Average Assets			8.30%
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Amount			$ 17,717
Tier 1 Capital to Average Assets, For Capital Adequacy Purposes, Ratio			4.00%
Tier 1 Capital to Average Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount			$ 22,147
Tier 1 Capital to Average Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio			5.00%
Common Equity Tier 1 to Risk-Weighted Assets, Amount			$ 36,776
Common Equity to Risk Weighted Assets			9.89%
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount			$ 16,740
Common Equity Tier 1 to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio			4.50%
Common Equity Capital Required to be Well Common Equity Tier 1 to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount			$ 24,180
Common Equity Tier 1 to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio			6.50%
Tier 1 Capital to Risk-Weighted Assets, Amount			$ 36,776
Tier One Risk Based Capital to Risk Weighted Assets			9.89%
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount			$ 22,320
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio			6.00%
Tier 1 Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount			$ 29,760
Tier 1 Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio			8.00%
Total Capital to Risk-Weighted Assets, Amount			$ 37,388
Capital to Risk Weighted Assets			10.05%
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Amount			$ 29,760
Total Capital to Risk-Weighted Assets, For Capital Adequacy Purposes, Ratio			8.00%
Total Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Amount			$ 37,200
Total Capital to Risk-Weighted Assets, To be Categorized as Well Capitalized Under Prompt Corrective Action Provisions, Ratio			10.00%
Tier One Leverage Capital to Average Assets	4.00%
Common Equity to Risk Weighted Assets			4.50%
Tier One Risk Based Capital to Risk Weighted Assets			6.00%
Capital to Risk Weighted Assets			8.00%

[1] Beginning in 2016, a Capital Conservation Buffer (“CCB”) requirement became effective for banking organizations. The Basel III Rules limit capital distributions and certain discretionary bonus payments if the banking organization does not hold a “capital conservation buffer” consisting of 2.5% of common equity tier 1 capital, tier 1 capital and total capital to risk-weighted assets in addition to the amount necessary to meet minimum risk-based capital requirements. The capital conservation buffer will be phased in beginning January 1, 2016, at 0.625% of risk-weighted assets, increasing each year by that amount until fully implemented at 2.5% on January 1, 2019. When fully phased in on January 1, 2019, the Basel III Rules will require the Company and Bank to maintain (i) a minimum ratio of common equity tier 1 capital to risk-weighted assets of at least 4.5%, plus a 2.5% capital conservation buffer, which effectively results in a minimum ratio of 7.0% upon full implementation, (ii) a minimum ratio of tier 1 capital to risk-weighted assets of at least 6.0%, plus a 2.5% capital conservation buffer, which effectively results in a minimum ratio of 8.50% upon full implementation, (iii) a minimum ratio of total capital to risk-weighted assets of at least 8.0%, plus a 2.5% capital conservation buffer, which effectively results in a minimum ratio of 10.5% upon full implementation and (iv) a minimum leverage ratio of at least 4.0%.