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Acquisition - Additional Information (Detail) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 11, 2018 | Feb. 28, 2019 | Nov. 30, 2018
Business Acquisition [Line Items] |  |  |
Common stock par value |  | $ 0.01 | $ 0.01
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=84229725&loc=d3e1043-128460 + Details
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