Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Operating lease components (Details)

v3.22.1
Summary of Significant Accounting Policies - Operating lease components (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue $ 40,160
Product revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 255
Subscription revenue.  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 36,248
Service revenue.  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 22
Maintenance revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 3,635
2021-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 12,520
2021-01-01 | Product revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 187
2021-01-01 | Subscription revenue.  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 11,183
2021-01-01 | Service revenue.  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 22
2021-01-01 | Maintenance revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 1,128
2022-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 27,640
2022-01-01 | Product revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 68
2022-01-01 | Subscription revenue.  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue 25,065
2022-01-01 | Maintenance revenue  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Total revenue $ 2,507