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License Agreements - Additional Information (Detail) - LifeCell License and Agreement [Member] | May 31, 2022 USD ($)
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License Agreements [Line Items] |
Royalty income since inception of license and royalty agreement | $ 10,000,000
Maximum [Member] |
License Agreements [Line Items] |
Royalties receivable annually | 1,000,000
Royalties receivable | $ 10,000,000

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- Definition License Agreements [Line Items] + References No definition available. + Details
Name: | ccel_LicenseAgreementsLineItems
Namespace Prefix: | ccel_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Royalties receivable annually. + References No definition available. + Details
Name: | ccel_RoyaltiesReceivableAnnually
Namespace Prefix: | ccel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Royalties Receivables + References No definition available. + Details
Name: | ccel_RoyaltiesReceivables
Namespace Prefix: | ccel_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Royalty Income since Inception of License and Royalty Agreement + References No definition available. + Details
Name: | ccel_RoyaltyIncomeSinceInceptionOfLicenseAndRoyaltyAgreement
Namespace Prefix: | ccel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_TransactionTypeAxis=ccel_LifecellLicenseAndAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |