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License Agreements - Additional Information (Detail) - LifeCell License and Agreement [Member] | Aug. 31, 2020 USD ($)
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License Agreements [Line Items] |
Royalty income since inception of license and royalty agreement | $ 10,000,000
Royalty collected since inception of license and royalty agreement | 8,650,000
Accounts Receivable [Member] |
License Agreements [Line Items] |
Royalties receivable | 1,350,000
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
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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
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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 Collected since Inception of License and Royalty Agreement + References No definition available. + Details
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Namespace Prefix: | ccel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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Period Type: |