v3.21.2
BUSINESS COMBINATION - Estimated fair value and useful life of identifiable intangible assets (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Apr. 01, 2020
Sep. 30, 2021
Dec. 31, 2020
Patents      
Business Acquisition      
Remaining economic useful life (in years)   14 years 14 years 8 months 12 days
ApiFix Ltd      
Business Acquisition      
Fair value of identifiable intangible assets $ 40,790    
ApiFix Ltd | Patents      
Business Acquisition      
Finite-lived intangible assets acquired $ 31,720    
Remaining economic useful life (in years) 15 years    
ApiFix Ltd | Customer Relationships      
Business Acquisition      
Finite-lived intangible assets acquired $ 230    
Remaining economic useful life (in years) 10 years    
ApiFix Ltd | Non-competition Agreements      
Business Acquisition      
Finite-lived intangible assets acquired $ 200    
Remaining economic useful life (in years) 4 years    
ApiFix Ltd | Trademarks / Names      
Business Acquisition      
Indefinite-lived intangible assets acquired $ 8,640