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Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) (USD $) | 0 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 02, 2012 | Dec. 31, 2005 | Feb. 28, 2015 Deliverables CompensationPlan | Feb. 28, 2014 | Nov. 30, 2014
Accounting Policies [Abstract] |  |  |  |  |
Number of deliverables for revenue recognized |  |  | 2 ccel_NumberOfDeliverablesForRevenueRecognized |  |
Contracted storage periods |  |  | 21 years |  |
Deferred revenue recognition period |  |  | 12 months |  |
Valuation allowance |  |  | $ 10,332,000 us-gaap_DeferredTaxAssetsValuationAllowance |  | $ 10,517,000 us-gaap_DeferredTaxAssetsValuationAllowance
U.S. Income tax expense |  |  | 0 us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability | 0 us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability |
Foreign income tax expense |  |  | 25,000 us-gaap_CurrentForeignTaxExpenseBenefit | 47,000 us-gaap_CurrentForeignTaxExpenseBenefit |
Minimum percentage probability of realized tax benefit on settlement |  |  | 50.00%ccel_MinimumPercentageProbabilityOfRealizedTaxBenefitOnSettlement |  |
Provisions for interest or penalties related to uncertain tax positions |  |  | 0 us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions | 0 us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions |
Uncertain tax provisions |  |  | 0 us-gaap_LiabilityForUncertainTaxPositionsCurrent | 0 us-gaap_LiabilityForUncertainTaxPositionsCurrent |
Impairment on long-lived assets |  |  | 0 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 0 us-gaap_ImpairmentOfLongLivedAssetsHeldForUse |
Number of employees stock-based compensation plan |  |  | 3 ccel_NumberOfEmployeeStockBasedCompensationPlan |  |
Stock-based compensation expense |  |  | 191,000 us-gaap_AllocatedShareBasedCompensationExpense | 152,000 us-gaap_AllocatedShareBasedCompensationExpense |
Unrealized holding loss and gain |  |  | (4,400)us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss |  | 15,525 us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss
Payment warranty |  | 50,000 ccel_PaymentWarranty |  |  |
Increased payment warranty | 75,000 ccel_IncreasedPaymentWarranty |  |  |  |
Additional payment warranty | 10,000 ccel_AdditionalPaymentWarranty |  |  |  |
Reserves recorded under programs |  |  | $ 17,000 ccel_ReservesRecordedUnderPrograms |  | $ 17,000 ccel_ReservesRecordedUnderPrograms

X
- Definition Additional payment warranty. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Contracted storage periods. + References No definition available. + Details
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- Definition Deferred revenue recognition period. + References No definition available. + Details
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- Definition Increased payment warranty. + References No definition available. + Details
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- Definition Minimum percentage probability of realized tax benefit on settlement. + References No definition available. + Details
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- Definition Number of deliverables for revenue recognized. + References No definition available. + Details
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- Definition Number of employee stock based compensation plan. + References No definition available. + Details
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- Definition Payment warranty. + References No definition available. + Details
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- Definition Reserves recorded under programs. + References No definition available. + Details
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- Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 225 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28367520&loc=d3e92212-112881 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Impairment -URI http://asc.fasb.org/extlink&oid=6515133 + Details
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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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