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Stockholder's Equity - Stock Option Activity for Options (Detail) (USD $)
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3 Months Ended | |
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Feb. 28, 2015
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Feb. 28, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Granted | 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | |
| Outstanding at November 30, 2014, Weighted Average Exercise Price | $ 2.14us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice | |
| Granted, Weighted Average Exercise Price | $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice | |
| Exercised, Weighted Average Exercise Price | $ 0us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice | |
| Expired/forfeited, Weighted Average Exercise Price | $ 2.26us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice | |
| Outstanding at February 28, 2015, Weighted Average Exercise Price | $ 2.14us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice | |
| Exercisable at February 28, 2015, Weighted Average Exercise Price | $ 2.14ccel_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageNumber | |
| Service-Based Vesting Condition Options [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding at November 30, 2014 |
997,266us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Granted |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Exercised |
0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Expired/forfeited |
5,835us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Outstanding at February 28, 2015 |
991,431us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Exercisable at February 28, 2015 |
975,804us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Outstanding at February 28, 2015, Weighted Average Remaining Contractual Term (Years) | 5 years 7 months 10 days | 5 years 10 months 2 days |
| Exercisable at February 28, 2015, Weighted Average Remaining Contractual Term (Years) | 5 years 7 months 10 days | |
| Outstanding at November 30, 2014, Aggregate Intrinsic Value |
$ 661,466us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Granted, Options |
0ccel_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Exercised, Options |
0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Expired/forfeited, Options |
1,125ccel_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValue / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Outstanding at February 28, 2015, Aggregate Intrinsic Value |
414,408us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| Exercisable at February 28, 2015, Aggregate Intrinsic Value |
$ 412,827us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = ccel_ServiceBasedVestingConditionOptionsMember |
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| X | ||||||||||
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- Definition
Share based compensation arrangement by share based payment award options exercisable weighted average number. No definition available.
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- Definition
Share based compensation arrangement by share based payment award options forfeitures and expirations in period intrinsic value. No definition available.
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- Definition
Share based compensation arrangement by share based payment award options grants in period intrinsic value. No definition available.
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- Details
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| X | ||||||||||
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
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- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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| X | ||||||||||
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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| X | ||||||||||
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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