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Acquisition - Summary of Fair Value of Consideration (Detail) - USD ($) |  | 9 Months Ended
--- | --- | ---
Jun. 11, 2018 | Aug. 31, 2018
Consideration |  |
Cord blood inventory earnout |  | $ 4,698,255
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] |  |
Consideration |  |
Cash | $ 10,500,000 | $ 10,500,000
Cryo-Cell common stock | 3,500,000 |
Cord blood inventory earnout | 4,698,255 |
Consideration | $ 18,698,255 |

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