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Summary of Significant Accounting Policies - Concentrations - Additional Information (Detail)
12 Months Ended
Dec. 31, 2023
Customer
Product Concentration Risk [Member] | Revenue [Member] | Amnion Allograft Product [Member] | Axolotl Biologix Inc [Member]  
Product Information [Line Items]  
Concentrations of risk percentage 100.00%
Product Concentration Risk [Member] | Revenue [Member] | Amnion Allograft Product [Member] | Pinnacle Transplant Technologies [Member]  
Product Information [Line Items]  
Concentrations of risk percentage 100.00%
Customer One [Member] | Customer Concentration Risk [Member]  
Product Information [Line Items]  
Number of Customers 1
Customer One [Member] | Customer Concentration Risk [Member] | Revenue [Member]  
Product Information [Line Items]  
Concentrations of risk percentage 100.00%
Customer One [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]  
Product Information [Line Items]  
Concentrations of risk percentage 100.00%