v2.4.1.9

Note 4 - Stock-Based Compensation (Details Textual) (USD $) | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | Feb. 11, 2013 | Feb. 08, 2013 | Jun. 30, 2008 | Dec. 31, 2005 | Jul. 31, 2011 | May 31, 2005
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ 20,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |  | $ 20,000 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |  |  | 150 days |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 2,675,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized |  | 2,675,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent |  |  | 100.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent |  |  |  |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award Purchase Price of Common Stock Percent Condition |  |  | 110.00%cmro_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePriceOfCommonStockPercentCondition |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value | $ 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue |  | $ 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue |  |  |  |  |  |  |
Share Price | $ 0.17 us-gaap_SharePrice |  | $ 0.17 us-gaap_SharePrice |  | $ 0.14 us-gaap_SharePrice | $ 0.158 us-gaap_SharePrice |  |  |  |
Share Based Compensation Arrangement by Share Based Payment Award Percentage of Optionee Condition |  |  | 10.00%cmro_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOptioneeCondition |  |  |  |  |  |  |
Equity Incentive Plan 2005 And 2011 [Member] |  |  |  |  |  |  |  |  |  |
Share Based Compensation Options Maximum Expiration Period Following Grant Date |  |  | 10 years |  |  |  |  |  |  |
Share Based Compensation Options Maximum Expiration Period Following Grant Date for Specified Percentage Ownership |  |  | 5 years |  |  |  |  |  |  |
Share Based Compensation Determination of Expiration Period Specified Percentage |  |  | 10.00%cmro_ShareBasedCompensationDeterminationOfExpirationPeriodSpecifiedPercentage / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2005And2011Member |  |  |  |  |  |  |
Equity Incentive Plan 2005 [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  | 450,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2005Member |  |
Share Based Compensation Arrangement by Share Based Payment Award Number of Shares Authorized Including Additional Shares Authorized |  |  |  |  |  |  | 1,100,000 cmro_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedIncludingAdditionalSharesAuthorized / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2005Member |  |  |
Equity Incentive Plan 2011 [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  | 750,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2011Member |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 35,224 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2011Member |  | 35,224 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = cmro_EquityIncentivePlan2011Member |  |  |  |  |  |  |
Prior Employee Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  | 825,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = cmro_PriorEmployeePlanMember
Share Based Compensation Options Maximum Expiration Period Following Grant Date |  |  | 10 years |  |  |  |  |  |  |
Share Based Compensation Options Maximum Expiration Period Following Grant Date for Specified Percentage Ownership |  |  | 5 years |  |  |  |  |  |  |
Share Based Compensation Determination of Expiration Period Specified Percentage |  |  | 10.00%cmro_ShareBasedCompensationDeterminationOfExpirationPeriodSpecifiedPercentage / us-gaap_PlanNameAxis = cmro_PriorEmployeePlanMember |  |  |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  | 420,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  | 420,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |  |  |  |  |

X
- Definition Represents share based compensation arrangement by share based payment award number of shares authorized including additional shares authorized. + References No definition available. + Details
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- Definition Represents share based compensation arrangement by share based payment award percentage of option condition. + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Purchase price of common stock expressed as a percentage of its fair value. + References No definition available. + Details
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- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
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