v3.8.0.1

Commitments and Contingencies (Details Narrative)	3 Months Ended
	Oct. 31, 2017 USD ($)
Deferred compensation liability	$ 0
Non-employee Directors [Member]
Monthly deferred compensation	1,250
Board of Directors Chairman [Member]
Monthly deferred compensation	$ 2,500

X

- Definition

Represents the amount of monthly deferred compensation.

+ References

No definition available.

+ Details

Name:	cmro_MonthlyDeferredCompensation
Namespace Prefix:	cmro_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=cmro_NonEmployeeDirectorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_BoardOfDirectorsChairmanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: