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Basis of Presentation and Summary of Significant Accounting Policies - Warranty Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Balance at beginning of period $ 265 $ 239 $ 295 $ 227
Warranty accruals for current period sales 7 22 6 39
Adjustments to existing warranties 43 (2) 28 12
In kind settlements made during the period 0 (20) (14) (39)
Accrued warranty reserve at end of period $ 315 $ 239 $ 315 $ 239