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Investment in Saneron CCEL Therapeutics, Inc. ("Saneron") - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2015 Installment | Feb. 28, 2014 | Nov. 30, 2014 Installment
Investments In Affiliates [Line Items] |  |  |
Equity method investment | $ 684,000 us-gaap_EquityMethodInvestments |  | $ 684,000 us-gaap_EquityMethodInvestments
Saneron [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Ownership interest | 33.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  | 33.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember
Goodwill | 684,000 us-gaap_Goodwill / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  | 684,000 us-gaap_Goodwill / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember
Equity method investment | 684,000 us-gaap_EquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  | 684,000 us-gaap_EquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember
Equity method investment, impairment loss | 0 ccel_EquityMethodInvestmentsImpairment / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  | 0 ccel_EquityMethodInvestmentsImpairment / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember
Loan Saneron in quarterly payments an aggregate amount | 300,000 ccel_InvestmentsInAndAdvancesToAffiliatesAggregateAmountOfLoanMaximum / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Initial loan amount | 150,000 ccel_InvestmentsInAndAdvancesToAffiliatesAggregateAmountOfInitialLoan / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Additional quarterly payments | 0 ccel_NumberOfQuarterlyInstallmentInWhichLoanIsPayable / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  | 5 ccel_NumberOfQuarterlyInstallmentInWhichLoanIsPayable / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember
Date of maturity | 5 years |  |
First initial quarterly payment | 37,500 ccel_ProceedsFromQuarterlyInstallmentLoanReceivable / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Equity in losses | 8,000 ccel_InvestmentsInAffiliatesEquityInAggregateLosses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember | 114,000 ccel_InvestmentsInAffiliatesEquityInAggregateLosses / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |
Saneron [Member] | Additional Investments [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Equity in losses |  | 75,000 ccel_InvestmentsInAffiliatesEquityInAggregateLosses / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = us-gaap_InvestmentsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |
Saneron [Member] | Stock Awards [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Equity in losses | 8,000 ccel_InvestmentsInAffiliatesEquityInAggregateLosses / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = ccel_StockAwardsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember | 39,000 ccel_InvestmentsInAffiliatesEquityInAggregateLosses / us-gaap_EligibleItemOrGroupForFairValueOptionAxis = ccel_StockAwardsMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |
Saneron [Member] | Initial Loan [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Additional quarterly payments | 4 ccel_NumberOfQuarterlyInstallmentInWhichLoanIsPayable / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = ccel_InitialLoanMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Quarterly installments per quarter | 37,500 ccel_InvestmentsInAndAdvancesToAffiliatesAggregateAmountOfQuarterlyInstallmentLoan / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = ccel_InitialLoanMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Saneron [Member] | Additional Loan [Member] |  |  |
Investments In Affiliates [Line Items] |  |  |
Initial loan amount | 150,000 ccel_InvestmentsInAndAdvancesToAffiliatesAggregateAmountOfInitialLoan / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = ccel_AdditionalLoanMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Additional quarterly payments | 4 ccel_NumberOfQuarterlyInstallmentInWhichLoanIsPayable / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = ccel_AdditionalLoanMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |
Quarterly installments per quarter | $ 37,500 ccel_InvestmentsInAndAdvancesToAffiliatesAggregateAmountOfQuarterlyInstallmentLoan / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = ccel_AdditionalLoanMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ccel_SaneronMember |  |

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