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Note 9 - Fair Value Measurements - Fair Value Measurements (Details) (USD $)
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9 Months Ended | |
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Oct. 31, 2014
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Oct. 31, 2013
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| Fair Value, Inputs, Level 3 [Member] | ||
| Change in estimated fair value recognized in results of operations | $ (226,000)cmro_ChangeInEstimatedFairValueRecognizedInResultsOfOperations / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |
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| Fair Value, Inputs, Level 3 [Member] | New Derivative Liabilities [Member] | ||
| Derivative liabilities | 2,466,000us-gaap_DerivativeLiabilitiesCurrent / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FinancialInstrumentAxis = cmro_NewDerivativeLiabilitiesMember |
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| Recorded New Derivative Liabilities | 624,000cmro_RecordedNewDerivativeLiabilities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FinancialInstrumentAxis = cmro_NewDerivativeLiabilitiesMember |
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| Change in estimated fair value recognized in results of operations | (271,000)cmro_ChangeInEstimatedFairValueRecognizedInResultsOfOperations / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FinancialInstrumentAxis = cmro_NewDerivativeLiabilitiesMember |
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| Derivative liabilities | $ 2,819,000us-gaap_DerivativeLiabilitiesCurrent / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FinancialInstrumentAxis = cmro_NewDerivativeLiabilitiesMember |
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| X | ||||||||||
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- Definition
Represents the change in the estimated fair value of financial instruments that is recognized in results of operations. No definition available.
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| X | ||||||||||
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- Definition
Represents the new derivative liabilities recorded. No definition available.
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| X | ||||||||||
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- Definition
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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