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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 01, 2012 USD ($) | Oct. 10, 2001 USD ($) shares | Dec. 31, 2005 USD ($) | Nov. 30, 2017 USD ($) CompensationPlan Agreement Deliverables Segments shares | Nov. 30, 2016 USD ($) | Aug. 31, 2016 USD ($)
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Concentration risk related to supplier |  |  |  | Company depends on one supplier for the source of its collection kits |  |
Number of deliverables for revenue recognized | Deliverables |  |  |  | 2 |  |
Period of doubtful for accounts receivable due from client |  |  |  | 21 years |  |
Contracted storage periods option two |  |  |  | 21 years |  |
Contracted storage periods option one |  |  |  | 1 year |  |
Contracted storage periods option three |  |  |  | Lifetime |  |
Deferred revenue recognition period |  |  |  | 12 months |  |
Number of licensing agreement made by entity | Agreement |  |  |  | 12 |  |
Number of license agreement | Agreement |  |  |  | 2 |  |
Impairment on long lived assets |  |  |  | $ 0 | $ 0 |
Goodwill impairment charge |  |  |  |  | 111,392 | $ 1,666,430
Minimum percentage probability of realized tax benefit on settlement |  |  |  | 50.00% |  |
Provisions for interest or penalties related to uncertain tax positions |  |  |  | $ 0 | 0 |
Uncertain tax provisions |  |  |  | 0 | 0 |
Advertising cost included in selling, general and administrative expenses |  |  |  | 1,008,000 | 1,186,000 |
Unrealized holding losses, trading securities |  |  |  | (82,000) | (17,000) |
Unrealized (loss) gain on marketable securities, net of tax |  |  |  | 6,457 | (135,524) |
Payment warranty |  |  | $ 50,000 |  |  |
Increased payment warranty | $ 75,000 |  |  |  |  |
Additional payment warranty | $ 10,000 |  |  |  |  |
Reserves recorded under programs |  |  |  | $ 18,000 | 17,000 |
Number of employee stock based compensation plan | CompensationPlan |  |  |  | 2 |  |
Stock-based option compensation expense |  |  |  | $ 972,000 | 1,772,000 |
Employee Stock Incentive Plan [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Number of outstanding options excluded from computation of diluted earnings per share | shares |  |  |  | 22,500 |  |
Accounts Receivable [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Period of doubtful for accounts receivable due from client |  |  |  | 30 days |  |
Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Number of reportable segments | Segments |  |  |  | 2 |  |
PrepaCyte CB [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Goodwill impairment charge |  |  |  |  | $ 1,777,822 |
Saneron [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Ownership interest |  |  |  | 33.00% | 33.00% |
Saneron [Member] | CCEL Bio-Therapies, Inc. [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Non-Controlling interest after merger |  | 43.42% |  |  |  |
Saneron Therapeutics, Inc. [Member] | CCEL Bio-Therapies, Inc. [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Issue of shares by parent and another subsidiary of parent to the share holder of company merged with wholly owned subsidiary | shares |  | 260,000 |  |  |  |
Fair value of shares issued by parent and another subsidiary of parent to the share holder of company merged with wholly owned subsidiary |  | $ 1,924,000 |  |  |  |
Saneron Therapeutics, Inc. [Member] | Stem Cell Preservation Technologies, Inc. [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Issue of shares by parent and another subsidiary of parent to the share holder of company merged with wholly owned subsidiary | shares |  | 195,000 |  |  |  |
Fair value of shares issued by parent and another subsidiary of parent to the share holder of company merged with wholly owned subsidiary |  | $ 3,900 |  |  |  |

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