XML 59 R51.htm IDEA: XBRL DOCUMENT v3.25.3

Commitments and Contingencies - Additional Information (Detail)	9 Months Ended
	Aug. 31, 2025
Duke University [Member]
Commitment And Contingencies [Line Items]
Duke license agreement, termination date	May 17, 2025
Minimum [Member]
Commitment And Contingencies [Line Items]
Employee agreements period	1 year
Maximum [Member]
Commitment And Contingencies [Line Items]
Employee agreements period	2 years

X

- Definition

Commitment And Contingencies [Line Items]

+ References

No definition available.

+ Details

Name:	ccel_CommitmentAndContingenciesLineItems
Namespace Prefix:	ccel_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Employment agreements period.

+ References

No definition available.

+ Details

Name:	ccel_EmploymentAgreementsPeriod
Namespace Prefix:	ccel_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Termination date.

+ References

No definition available.

+ Details

Name:	ccel_TerminationDate
Namespace Prefix:	ccel_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=ccel_DukeUniversityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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