Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Components of lease revenue (Details)

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Revenue Recognition - Components of lease revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Revenue Recognition    
Revenue from sales-type leases $ 1,312  
Interest income on lease receivables 190  
Subscription revenue 3,020 $ 1,300
Total lease revenue $ 4,522 $ 1,300