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Acquisition - Additional Information (Detail) - USD ($) |  | 9 Months Ended |
--- | --- | --- | ---
Jun. 11, 2018 | Aug. 31, 2018 | Nov. 30, 2017
Business Acquisition [Line Items] |  |  |
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 | $ 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 |  |
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 | 121,454 |  |
Fair value of prepaid expenses | 68,867 |  |
Short term deferred revenue | 208,298 |  |
Long term deferred revenue | 1,197,108 |  |
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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