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Goodwill and Intangible Assets, Net (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]    
Schedule Of Carrying Values Of Goodwill Assigned To Operating Segments  

The carrying values of goodwill assigned to the Company’s reporting units are as follows:

 

   Cell Therapy   Degenerative
Disease		   Biobanking   Total 
Balance at December 31, 2021  $112,347   $3,610   $7,347   $123,304 
Impairment   —    (3,610)   —    (3,610)
Balance at December 31, 2022  $112,347   $—   $7,347   $119,694 
Impairment   (112,347)   —    —    (112,347)
Balance at December 31, 2023  $—   $—   $7,347   $7,347 
Schedule of Intangible Assets, Net

Intangible assets, net consisted of the following:

  

   September 30,
2024		   December 31,
2023		   Estimated
Useful Lives
Amortizable intangible assets:             
Developed technology  $16,810   $16,810   11 – 16 years
Customer relationships   2,413    2,413   10 years
Trade names & trademarks   570    570   10 – 13 years
Reacquired rights   4,200    4,200   6 years
    23,993    23,993    
Less accumulated amortization:             
Developed technology   (8,600)   (7,722)   
Customer relationships   (1,898)   (1,700)   
Trade names & trademarks   (371)   (330)   
Reacquired rights   (4,200)   (3,940)   
    (15,069)   (13,692)   
Amortizable intangible assets, net   8,924    10,301    
              
Non-amortized intangible assets             
Acquired IPR&D product rights   700    700   indefinite
   $9,624   $11,001    

Intangible assets, net consisted of the following:

  

   December 31,
2023		   December 31,
2022		   Estimated Useful
Lives
Amortizable intangible assets:             
Developed technology  $16,810   $16,810   11 – 16 years
Customer relationships   2,413    2,413   10 years
Trade names & trademarks   570    570   10 – 13 years
Reacquired rights   4,200    4,200   6 years
    23,993    23,993    
Less: accumulated amortization             
Developed technology   (7,722)   (6,549)   
Customer relationships   (1,700)   (1,435)   
Trade names & trademarks   (330)   (275)   
Reacquired rights   (3,940)   (3,240)   
    (13,692)   (11,499)   
Amortizable intangible assets, net   10,301    12,494    
              
Non-amortized intangible assets             
Acquired IPR&D product rights   700    108,500   indefinite
   $11,001   $120,994    
Schedule of Aggregate Amortization Expense Related to Intangible Assets  

Aggregate amortization expense for each of the five succeeding years related to intangible assets held as of December 31, 2023 is estimated as follows:

 

      
2024  $1,753 
2025  $1,493 
2026  $1,356 
2027  $1,258 
2028  $1,208