v2.4.1.9

Note 7 - Accrued Liabilities - Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified | Oct. 31, 2014 | Jan. 31, 2014
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Accrued Liabilities | $ 763 us-gaap_AccruedLiabilitiesAndOtherLiabilities | $ 1,012 us-gaap_AccruedLiabilitiesAndOtherLiabilities
Accrued Legal and Professional Fees [Member] |  |
Accrued Liabilities | 78 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedLegalandProfessionalFeesMember | 161 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedLegalandProfessionalFeesMember
Accrued Other Liabilities [Member] |  |
Accrued Liabilities | 303 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedOtherLiabilitiesMember | 315 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedOtherLiabilitiesMember
Accrued Payroll and Related Expenses [Member] |  |
Accrued Liabilities | 31 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedPayrollandRelatedExpensesMember | 58 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedPayrollandRelatedExpensesMember
Accrued Warranty [Member] |  |
Accrued Liabilities | 20 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedWarrantyMember | 20 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_AccruedWarrantyMember
Uninvoiced Materials and Services Received [Member] |  |
Accrued Liabilities | $ 331 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_UninvoicedMaterialsAndServicesReceivedMember | $ 458 us-gaap_AccruedLiabilitiesAndOtherLiabilities / us-gaap_NatureOfExpenseAxis = cmro_UninvoicedMaterialsAndServicesReceivedMember

X
- Definition Amount of obligations incurred and payable, pertaining to costs that are statutory in nature, incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include, but not limited to, taxes, interest, rent and utilities. Also includes the aggregate carrying amount of liabilities not separately disclosed. + References No definition available. + Details
Name: | us-gaap_AccruedLiabilitiesAndOtherLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_NatureOfExpenseAxis=cmro_AccruedLegalandProfessionalFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_NatureOfExpenseAxis=cmro_AccruedOtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_NatureOfExpenseAxis=cmro_AccruedPayrollandRelatedExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_NatureOfExpenseAxis=cmro_AccruedWarrantyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NatureOfExpenseAxis=cmro_UninvoicedMaterialsAndServicesReceivedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |