Cryo-Cell International, Inc. Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)	3 Months Ended		9 Months Ended
License Agreements - Additional Information (Detail)	Aug. 31, 2019 USD ($)	Aug. 31, 2018 USD ($)	Aug. 31, 2019 USD ($) Agreement	Aug. 31, 2018 USD ($)
License Agreements [Line Items]
Types of agreements \| Agreement			2
Revenue	$ 8,223,393	$ 7,871,222	$ 23,846,357	$ 20,624,803
LifeCell License and Agreement [Member]
License Agreements [Line Items]
Royalty income since inception of license and royalty agreement	9,000,000		9,000,000
Royalty collected since inception of license and royalty agreement	8,250,000		8,250,000
LifeCell License and Agreement [Member] \| Accounts Receivables [Member]
License Agreements [Line Items]
Royalties receivable	750,000		750,000
LifeCell License and Agreement [Member] \| Maximum [Member]
License Agreements [Line Items]
Royalties receivable	$ 1,000,000		1,000,000
LifeCell License and Agreement [Member] \| Maximum [Member] \| Royalty [Member]
License Agreements [Line Items]
Revenue			$ 10,000,000