XML 51 R30.htm IDEA: XBRL DOCUMENT v3.20.4
Accrued Warranty Reserve (Tables)
12 Months Ended
Dec. 31, 2020
Guarantees and Product Warranties [Abstract]  
Schedule of estimated accrued warranty reserve
The following table summarizes the activity related to the estimated accrued warranty reserve (in thousands):
Year Ended December 31,
20202019
Beginning balance$2,592 $1,935 
Provision for warranties issued1,054 2,473 
Payments(496)(730)
Warranty expirations(101)(1,086)
Ending balance$3,049 $2,592