Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details 2)

v3.20.2
Organization and Summary of Significant Accounting Policies (Details 2) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Reconciliation of the product warranty liability    
Balance at beginning of the period $ 375 $ 175
Payments (120) (530)
Provision for warranties 120 730
Balance at end of the period $ 375 $ 375