Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Additional Information (Details)

v3.20.2
Revenue Recognition - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]    
Deferred revenue $ 3,051 $ 3,281
Non-cancellable backlog $ 496  
Lease term 12 months  
Accounts receivable, net of allowances $ 3,741 $ 5,208
Minimum    
Disaggregation of Revenue [Line Items]    
Accounts receivable payment terms 30 days  
Maximum    
Disaggregation of Revenue [Line Items]    
Accounts receivable payment terms 90 days