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

Quarterly report pursuant to Section 13 or 15(d)

Patent Option and Technology License Agreement - Additional Information (Detail)

Patent Option and Technology License Agreement - Additional Information (Detail) - USD ($)				3 Months Ended		6 Months Ended
	Feb. 23, 2021	Dec. 01, 2020	Jun. 30, 2020	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020	Mar. 08, 2021	Feb. 28, 2021
Patent Option And Technology License Agreement [Line Items]
Long-term line of credit			$ 350,000
Line of credit facility		$ 150,000	$ 150,000
Revenue				$ 7,205,195	$ 7,871,844	$ 14,065,812	$ 15,492,618
Duke University [Member]
Patent Option And Technology License Agreement [Line Items]
License fee payable		$ 12,000,000
License fee transferred								$ 4,889,410
Milestone payments first phase III clinical trial	$ 2,000,000
Capitalized costs to obtain agreement				15,132,189		15,132,189			$ 58,270,522
Capitalized costs adjustment				42,898,140
Present value of license fee				12,000,000		12,000,000
Number of common stock value transferred				$ 3,585,170		$ 3,585,170
Capitalized costs amortization period				16 years		16 years
Amortization expense				$ 240,193		$ 240,193
Duke University [Member] \| 5.0% upon Execution of the Agreement [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage	5.00%
Duke University [Member] \| 2.5% Market Cap [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage	2.50%
Duke University [Member] \| Minimum [Member]
Patent Option And Technology License Agreement [Line Items]
Royalties Percentage Portion of Net Sales	7.00%
Duke University [Member] \| Minimum [Member] \| 2.5% Market Cap Triggers with 18 Months [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Average Closing Market Capital	$ 300,000,000
Duke University [Member] \| Minimum [Member] \| 2.5% Market Cap Triggers with 24 Months [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Average Closing Market Capital	$ 500,000,000
Duke University [Member] \| Maximum [Member]
Patent Option And Technology License Agreement [Line Items]
Royalties Percentage Portion of Net Sales	12.50%
Duke University [Member] \| Within Fourteen (14) days of February 23, 2021
Patent Option And Technology License Agreement [Line Items]
License fee payable	$ 5,000,000
Duke University [Member] \| First Anniversary [Member]
Patent Option And Technology License Agreement [Line Items]
License fee payable	5,000,000
Duke University [Member] \| Second Anniversary [Member]
Patent Option And Technology License Agreement [Line Items]
License fee payable	2,000,000
Minimum Annual Royalties Due Year Two	500,000
Minimum Annual Royalties Due Year Three	1,000,000
Minimum Annual Royalties Due Year Four	2,500,000
Minimum Annual Royalties Due Year Five	5,000,000
Minimum Annual Royalties Due After Year Five	$ 5,000,000
Duke University [Member] \| Licensed Product and Licensed Process [Member]
Patent Option And Technology License Agreement [Line Items]
Royalties Term	15 years
Duke University [Member] \| Licensed Product and Licensed Process [Member] \| 2.5% Upon Cumulative Net Sales [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage	2.50%
Revenue	$ 10,000,000
Duke University [Member] \| Licensed Product and Licensed Process [Member] \| 2.5% Upon Cumulative Net Sales [Member] \| Fully Diluted Equity Ownership
Patent Option And Technology License Agreement [Line Items]
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage	2.50%
Revenue	$ 75,000,000