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Retirement Plan (Details Textual) (USD $) | 12 Months Ended
--- | ---
Nov. 30, 2012 | Nov. 30, 2011
Retirement Plan (Textual) [Abstract] |  |
Amount allows under 401(k) retirement plan | 15.00% |
Contribution to 401(k) retirement plan | $ 68,000 | $ 67,000

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- Definition Defined contribution plan employer matching contribution amount. + References No definition available. + Details
Name: | ccel_DefinedContributionPlanEmployerMatchingContributionAmount
Namespace Prefix: | ccel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Defined contribution plan maximum percentage employees contribution. + References No definition available. + Details
Name: | ccel_DefinedContributionPlanMaximumPercentageEmployeesContribution
Namespace Prefix: | ccel_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ccel_RetirementPlanTextualAbstract
Namespace Prefix: | ccel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration