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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments And Contingencies Disclosure [Abstract]  
Reconciliation of Changes in Accrued Warranty Costs

The following is a reconciliation of the changes in accrued warranty costs:

 

 

 

Year Ended December 31,

 

 

 

2021

 

 

2020

 

Balance at beginning of year

 

$

2,391

 

 

$

4,596

 

Warranty claims paid

 

 

(2,164

)

 

 

(2,598

)

Warranty expense for products shipped during the current period

 

 

1,813

 

 

 

1,223

 

Adjustments to warranty estimates from prior periods

 

 

(73

)

 

 

(893

)

Adjustments due to currency translation

 

 

(51

)

 

 

63

 

Balance at end of year

 

$

1,916

 

 

$

2,391