Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Schedule of Revenue by Service Line (Details)

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Revenue Recognition - Schedule of Revenue by Service Line (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Disaggregation of Revenue [Line Items]    
Total revenue $ 7,639 $ 5,433
Biologics and drug delivery    
Disaggregation of Revenue [Line Items]    
Total revenue 4,307 2,676
Biologics and Drug Delivery - Disposable Products    
Disaggregation of Revenue [Line Items]    
Total revenue 553 594
Biologics and Drug Delivery - Services and license fees    
Disaggregation of Revenue [Line Items]    
Total revenue 3,754 2,082
Functional neurosurgery navigation and therapy    
Disaggregation of Revenue [Line Items]    
Total revenue 1,927 2,361
Functional Neurosurgery Navigation and Therapy - Disposable Products    
Disaggregation of Revenue [Line Items]    
Total revenue 1,927 1,858
Functional Neurosurgery Navigation and Therapy - Services    
Disaggregation of Revenue [Line Items]    
Total revenue 0 503
Capital equipment and software    
Disaggregation of Revenue [Line Items]    
Total revenue 1,405 396
Capital Equipment and Software - Systems and Software Products    
Disaggregation of Revenue [Line Items]    
Total revenue 1,155 178
Capital Equipment and Software - Services    
Disaggregation of Revenue [Line Items]    
Total revenue $ 250 $ 218