Note 10 - Regulatory Matters - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016
Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%	6.50%
Tier One Risk Based Capital	$ 41,400	$ 39,400
Tier 1 capital to risk weighted assets Bank	13.21%	13.37%
Tier One Risk Based Capital Required for Capital Adequacy	$ 22,700	$ 19,500
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required to be Well Capitalized	$ 25,100	$ 23,600
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Capital	$ 44,500	$ 42,900
Capital to Risk Weighted Assets	14.20%	14.58%
Capital Required for Capital Adequacy	$ 29,000	$ 25,400
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 31,400	$ 29,400
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier One Leverage Capital	$ 41,400	$ 39,400
Tier One Leverage Capital to Average Assets	9.06%	9.25%
Tier One Leverage Capital Required for Capital Adequacy	$ 18,300	$ 17,000
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 22,900	$ 21,300
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%
Common Equity Tier One Risk Based Capital	$ 41,400	$ 39,400
Common Equity Tier One Risk Based Capital to Risk Weighted Assets	13.21%	13.37%
Common Equity Tier One Risk Based Capital Required for Capital Adequacy	$ 18,000	$ 15,100
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	4.50%	4.50%
Common Equity Tier One Risk Based Capital Required to be Well Capitalized	$ 20,400	$ 19,100

Common Equity Tier 1 Risk Based Capital as defined in the regulations.

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

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The minimum Common Equity Tier One Capital Ratio (Common Equity 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 Common Equity 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 Common Equity Tier 1 capital ratio (Common Equity 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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Common Equity Tier 1 capital divided by risk weighted assets as defined by regulations.

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The amount of total capital as defined in the regulations.

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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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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 for capital adequacy purposes divided by average assets as defined in the regulations.

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

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