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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract]  
Summary of Warranty Activity

 

 

Year Ended December 31,

 

 

 

2020

 

 

2019

 

Beginning balance

 

$

444

 

 

$

339

 

Provisions for warranties

 

 

44

 

 

 

435

 

Consumption of reserves

 

 

(203

)

 

 

(330

)

Ending balance

 

$

285

 

 

$

444