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v3.21.1

Warranty Reserves (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Movement in Standard Product Warranty Accrual [Roll Forward] |  |  |
Beginning balance | $ 4,841 | $ 3,759 |
Warranty provision | 612 | 905 |
Processed warranty claims | (584) | (422) |
Ending balance | 4,869 | 4,242 |
Accrued warranty reserve, current | 1,610 | 1,358 | $ 1,606
Accrued warranty reserve, non-current | 3,259 | 2,884 | $ 3,235
Total accrued warranty reserve | $ 4,869 | $ 4,242 |

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