Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Schedule of Revenue Recognition (Details)

v3.21.2
Revenue Recognition - Schedule of Revenue Recognition (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]        
Total revenues $ 3,413 $ 2,478 $ 7,443 $ 5,593
Product - Functional Neurosurgery Navigation and Therapy - Disposable Products        
Disaggregation of Revenue [Line Items]        
Total revenues 1,861 1,071 3,779 2,812
Biologics and Drug Delivery Disposable Products        
Disaggregation of Revenue [Line Items]        
Total revenues 450 407 1,364 580
Biologics and Drug Delivery Services        
Disaggregation of Revenue [Line Items]        
Total revenues 940 761 1,685 1,616
Biologics and Drug Delivery        
Disaggregation of Revenue [Line Items]        
Total revenues 1,390 1,168 3,049 2,196
Capital Equipment and Software Systems and Software Products        
Disaggregation of Revenue [Line Items]        
Total revenues 52 158 382 422
Capital Equipment and Software Services        
Disaggregation of Revenue [Line Items]        
Total revenues 110 81 233 163
Capital Equipment and Software        
Disaggregation of Revenue [Line Items]        
Total revenues $ 162 $ 239 $ 615 $ 585