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Acquisition - Additional Information (Detail) - USD ($) |  | 9 Months Ended |
--- | --- | --- | ---
Jun. 11, 2018 | Aug. 31, 2019 | Aug. 31, 2018 | Nov. 30, 2018
Business Acquisition [Line Items] |  |  |  |
Payment under asset purchase agreement |  |  | $ 10,500,000 |
Common stock par value |  | $ 0.01 |  | $ 0.01
Brand [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful lives |  | 1 year |  |
Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful lives |  | 15 years |  |
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Aggregate consideration payable at closing under the Purchase Agreement | $ 14,000,000 |  |  |
Payment under asset purchase agreement | $ 10,500,000 |  |  |
Shares issued under asset purchase agreement | 465,426 |  |  |
Common stock par value | $ 0.01 |  |  |
Sale of stock price per share | $ 7.52 |  |  |
Percentage of earn out to be paid from gross revenues | 75.00% |  |  |
Common stock deliver | $ 200,000 |  |  |
Common stock value | 5,000,000 |  |  |
Costs associated with the acquisition | $ 580,000 |  |  |
Discount rate | 19.00% |  |  |
Long-term sustainable growth rate | 3.00% |  |  |
Market royalty rate | 1.00% |  |  |
Fair value of inventory | $ 16,037,957 |  |  |
Fair value of accounts receivable | 188,019 |  |  |
Fair value of prepaid expenses | 68,867 |  |  |
Short term deferred revenue | 330,508 |  |  |
Long term deferred revenue | 1,074,898 |  |  |
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amount of earn out to be paid from sale of public cord blood inventory | $ 500,000 |  |  |
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] | Brand [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful lives | 1 year |  |  |
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] | Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful lives | 30 years |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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