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License Agreements - Additional Information (Detail) - LifeCell License and Agreement [Member]	Aug. 31, 2022 USD ($)
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

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Namespace Prefix:	ccel_
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- Definition

Royalties receivable annually.

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No definition available.

+ Details

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Balance Type:	debit
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X

- Definition

Royalties Receivables

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No definition available.

+ Details

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Namespace Prefix:	ccel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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
Balance Type:	credit
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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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