XML 42 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Product Warranty (Tables)
6 Months Ended
Jun. 30, 2021
Product Warranties Disclosures [Abstract]  
Summary of product warranty activity
The following table summarizes product warranty activity during 2021 and 2020:
 
Six Months Ended
 June 30,
 20212020
Beginning balance$1,812 $2,194 
Charges to expense224 701 
Costs incurred(441)(758)
Ending balance$1,595 $2,137