v2.4.0.8

Note 6 - Customer and Supplier Concentrations (Details) - Companies Comprising 10 Percent or More of our Gross Accounts Payable (USD $) In Thousands, unless otherwise specified | Oct. 31, 2013 | Jan. 31, 2013
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Total gross accounts payable (in Dollars) | $ 4,394 | $ 3,688
Total gross accounts payable | 100.00% | 100.00%
Balance (in Dollars) | 3,053 | 2,714
Percentage | 69.00% | 74.00%
Chicony Power Technology Company Ltd [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Balance (in Dollars) | 1,100 | 1,100
Percentage | 25.00% | 30.00%
Pillsbury Winthrop Shaw Pittman LLP [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Balance (in Dollars) | $ 1,953 | $ 1,614
Percentage | 44.00% | 44.00%

X
- Definition Accounts payable current percentage. + References No definition available. + Details
Name: | cmro_AccountsPayableCurrentPercentage
Namespace Prefix: | cmro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Major suppliers accounts payable current. + References No definition available. + Details
Name: | cmro_MajorSuppliersAccountsPayableCurrent
Namespace Prefix: | cmro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Major suppliers accounts payable current percentage. + References No definition available. + Details
Name: | cmro_MajorSuppliersAccountsPayableCurrentPercentage
Namespace Prefix: | cmro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration