v2.4.1.9

Note 6 - Customer and Supplier Concentrations (Details Textual) (USD $)	0 Months Ended
	Jun. 02, 2014	May 30, 2014	May 15, 2014	May 16, 2014	Feb. 04, 2014	Oct. 31, 2014	Jan. 31, 2014	May 28, 2014	Oct. 31, 2013	Jul. 31, 2014
Major Suppliers Accounts Payable Current						$ 432,000cmro_MajorSuppliersAccountsPayableCurrent	$ 3,053,000cmro_MajorSuppliersAccountsPayableCurrent
Pillsbury Winthrop Shaw Pittman L L P [Member]
Major Suppliers Accounts Payable Current						432,000cmro_MajorSuppliersAccountsPayableCurrent / us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis = cmro_PillsburyWinthropShawPittmanLLPMember	1,953,000cmro_MajorSuppliersAccountsPayableCurrent / us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis = cmro_PillsburyWinthropShawPittmanLLPMember
Lump Sum Legal Fee								1,500,000cmro_LumpSumLegalfee / us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis = cmro_PillsburyWinthropShawPittmanLLPMember
Accrued Professional Fees								400,000us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent / us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis = cmro_PillsburyWinthropShawPittmanLLPMember
Interest Rate for Outstanding Legal Fees Payable Solely with Settlement								20.00%cmro_InterestRateForOutstandingLegalFeesPayableSolelyWithsettlement / us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis = cmro_PillsburyWinthropShawPittmanLLPMember
Constellation Units [Member]
Units Shipped									20,000cmro_UnitsShipped / us-gaap_ProductOrServiceAxis = cmro_ConstellationUnitsMember
Field Replacement Units [Member]
Units Shipped									11,000cmro_UnitsShipped / us-gaap_ProductOrServiceAxis = cmro_FieldReplacementUnitsMember
Chicony Power Technology Company Ltd [Member]
Litigation Settlement, Amount			7,600,000us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember	7,600,000us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember	9,700,000us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember
Proceeds from Legal Settlements	3,600,000us-gaap_ProceedsFromLegalSettlements / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember	3,600,000us-gaap_ProceedsFromLegalSettlements / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember		4,000,000us-gaap_ProceedsFromLegalSettlements / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember
Chicony Power Technology Company Ltd [Member] | Reversed in Second Quarter [Member]
Major Suppliers Accounts Payable Current										$ 1,100,000cmro_MajorSuppliersAccountsPayableCurrent / us-gaap_LitigationCaseAxis = cmro_ChiconyPowerTechnologyCompanyLtdMember / us-gaap_StatementScenarioAxis = cmro_ReversedInSecondQuarterMember

X

- Definition

The interest rate on the remaining legal fee balance that will be paid solely when and if there is a recovered financial settlement from the ongoing litigation.

+ References

No definition available.

+ Details

Name:	cmro_InterestRateForOutstandingLegalFeesPayableSolelyWithsettlement
Namespace Prefix:	cmro_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of money paid in one installment for future legal services.

+ References

No definition available.

+ Details

Name:	cmro_LumpSumLegalfee
Namespace Prefix:	cmro_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of current accounts payable that is due to major suppliers.

+ References

No definition available.

+ Details

Name:	cmro_MajorSuppliersAccountsPayableCurrent
Namespace Prefix:	cmro_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The number of units shipped.

+ References

No definition available.

+ Details

Name:	cmro_UnitsShipped
Namespace Prefix:	cmro_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

+ Details

Name:	us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Cash received for the settlement of litigation during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_ProceedsFromLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LitigationCaseAxis=cmro_ChiconyPowerTechnologyCompanyLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=cmro_ConstellationUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=cmro_FieldReplacementUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis=cmro_PillsburyWinthropShawPittmanLLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: