REGULATORY MATTERS (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Regulatory Matters [Line Items]
Risk Weighted Assets	$ 36,667us-gaap_RiskWeightedAssets	$ 33,968us-gaap_RiskWeightedAssets
Capital to Risk Weighted Assets	13.10%us-gaap_CapitalToRiskWeightedAssets	12.60%us-gaap_CapitalToRiskWeightedAssets
Total Capital Amount Required For Capital Adequacy To Risk Weighted Assets	22,431	21,507
Adequately capitalized Capital to risk weighted assets	8.00%	8.00%
Total Capital Required To Be Well Capitalized To Risk Weighted Assets	28,039	26,884
Well capitalized Capital to risk weighted assets	10.00%	10.00%
Tier One Risk Based Capital	33,154us-gaap_TierOneRiskBasedCapital	30,595us-gaap_TierOneRiskBasedCapital
Tier One Risk Based Capital to Risk Weighted Assets	11.80%	11.40%
Tier One Risk Based Capital Required for Capital Adequacy	11,216	10,754
Adequately capitalized Tier 1 Capital to risk-weighted assets	4.00%	4.00%
Tier One Risk Based Capital Required to be Well Capitalized	16,824	16,130
Well capitalized Tier 1 Capital to risk-weighted assets	6.00%	6.00%
Tier One Average Assets Capital	33,154cmoh_TierOneAverageAssetsCapital	30,595cmoh_TierOneAverageAssetsCapital
Tier One Capital Average Assets Ratio	10.10%cmoh_TierOneCapitalAverageAssetsRatio	9.80%cmoh_TierOneCapitalAverageAssetsRatio
Tier One Capital Average Assets Required For Capital Adequacy	13,169	12,508
Adequately capitalized Tier1 capital to average assets	4.00%	4.00%
Tier One Minimum Required To Be Well Capital To Average Assets	$ 16,461	$ 15,635
Well capitalized Tier1 capital to average assets	5.00%	5.00%

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This is represent about the total of tier one average assets Capital during the period.

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No definition available.

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This is represent about the tier one capital average assets ratio during the period.

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No definition available.

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This is represent about the tier one capital average assets required for capital adequacy during the period.

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No definition available.

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This is represent about the Tier one minimum required to be well capital to average assets during the period.

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No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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

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Amount of risk-weighted assets as calculated in accordance with U.S. Federal regulatory capital standards.

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No definition available.

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- Definition

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

+ References

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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 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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