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License Agreements - Summary of License Fees Earned (Detail) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
License Agreements [Line Items]
Process and Storage Royalties	$ 203,159	$ 328,669	$ 203,159	$ 328,669
India [Member]
License Agreements [Line Items]
Process and Storage Royalties	$ 203,159	$ 328,669	$ 203,159	$ 328,669

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- Definition

License Agreements [Line Items]

+ References

No definition available.

+ Details

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- Definition

Process and storage royalties.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccel_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: