Description of Business, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)
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1 Months Ended |
3 Months Ended |
Jun. 11, 2018 |
Jun. 01, 2017
USD ($)
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Feb. 01, 2012
USD ($)
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Dec. 31, 2005
USD ($)
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Feb. 28, 2023
USD ($)
Segment
Unit
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Feb. 28, 2022
USD ($)
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Number of reportable segments | Segment |
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3
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| Deferred revenue |
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$ 46,500,020
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| Warranty payment |
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$ 100,000
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$ 75,000
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$ 50,000
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| Offset personal expenses |
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10,000
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| Commission paid |
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10,432
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$ 15,152
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| Additional capitalized contract acquisition costs, net of amortization expense |
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26,436
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24,589
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| Impairment of contract assets |
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0
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0
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| Uncertain tax provisions |
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0
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| Provisions for interest or penalties related to uncertain tax positions |
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0
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0
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| Impairment on long lived assets |
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0
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0
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| Stock-based option compensation expense |
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313,000
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32,000
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| Unrealized holding (losses) gains, marketable securities |
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$ (4,000)
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$ (9,000)
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| Payment warranty |
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$ 50,000
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| Increased payment warranty |
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$ 100,000
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$ 75,000
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| Cord:Use [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Acquisition date |
Jun. 11, 2018
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| Duke University [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Contracted storage amortization period |
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16 years
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| Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Agreement expiration date |
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Jan. 31, 2025
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| Inventory, in units | Unit |
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6,000
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| Number of units, per year | Unit |
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36
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| Maximum [Member] | Umbilical Cord Blood and Cord Tissue Stem Cell Service and PrepaCyte-CB [Member] | Duke University [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Inventory, in units | Unit |
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36
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| Accounts Receivables [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Period of doubtful for accounts receivable due from client |
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30 days
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| Option One [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Contracted storage amortization period |
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1 year
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| Option Two [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Contracted storage amortization period |
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21 years
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| Option Three [Member] |
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| Business, Basis of Presentation and Significant Accounting Policies [Line Items] |
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| Contracted storage amortization period |
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life-time
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| Contracted storage amortization description |
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The life-time storage plan is based on a life expectancy of 81 years, which is the current estimate by the Center for Disease Control for United States women’s life expectancy and concluded that additional data analysis would result in an immaterial difference in revenue.
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