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Basis of Presentation and Summary of Significant Accounting Policies - Warranty Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Balance at beginning of period $ 315 $ 239 $ 295 $ 227
Warranty accruals for current period sales, net of changes in inventory reserves for replacements (23) 10 (17) 49
Adjustments to existing warranties (57) 4 (29) 16
In kind settlements made during the period 7 (13) (7) (52)
Accrued warranty reserve at end of period $ 242 $ 240 $ 242 $ 240