Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies - Schedule of Reconciliation of the Product Warranty Liability (Details)

v3.21.1
Organization and Summary of Significant Accounting Policies - Schedule of Reconciliation of the Product Warranty Liability (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Balance at beginning of the period $ 600 $ 375
Payments (408) (634)
Provision for warranties 408 859
Balance at end of the period $ 600 $ 600