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

Share Repurchase Plan - Additional Information (Detail) - $ / shares	1 Months Ended	12 Months Ended		144 Months Ended
	Dec. 31, 2023	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Oct. 06, 2016	Apr. 08, 2015	Jun. 06, 2012	Dec. 31, 2011
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to repurchase					8,000,000	6,000,000	3,000,000	1,000,000
Share repurchase plan		open market purchases, privately negotiated block trades, unsolicited negotiated transactions, and/or pursuant to any trading plan that may be adopted in accordance with Rule 10b5-1 of the Securities and Exchange Commission
Treasury Stock, Common, Shares		6,562,461	6,347,490	6,562,461
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Common, Shares		6,562,461		6,562,461
Repurchase agreement, purchase price per share		$ 3.72	$ 7.79	$ 3.57
Number of shares repurchased		214,971	233,534
Common Stock [Member] \| Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase agreement, purchase price per share	$ 5.35
Number of shares repurchased	28,077