Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Narrative (Details)

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Revenue Recognition - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Disaggregation of Revenue [Line Items]        
Total revenue $ 5,200 $ 3,413 $ 10,231 $ 7,443
Minimum        
Disaggregation of Revenue [Line Items]        
Contract liabilities, service agreements, terms (in years) 1 year   1 year  
Maximum        
Disaggregation of Revenue [Line Items]        
Contract liabilities, service agreements, terms (in years) 3 years   3 years  
Capital Equipment Related Service Revenue        
Disaggregation of Revenue [Line Items]        
Total revenue $ 100   $ 300  
Remaining Performance Obligations Capital Equipment-Related Service Revenue        
Disaggregation of Revenue [Line Items]        
Revenue, remaining performance obligation amount $ 800   $ 800  
Capital Equipment and Software-Related Service        
Disaggregation of Revenue [Line Items]        
Revenue, remaining performance obligation, percentage 53.00%   53.00%