XML 53 R27.htm IDEA: XBRL DOCUMENT v3.22.0.1
Schedule II-Valuation And Qualifying Accounts And Reserves
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II-Valuation And Qualifying Accounts And Reserves
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
 
 In thousands
Balance at
Beginning of
Period		Additions/
Charged to
Expense		DeductionsBalance at
End of
Period
Year ended December 31, 2021
       Accounts receivable allowance$356 $— $— $356 
Year ended December 31, 2020
Accounts receivable allowance$6 $356 $(6)$356 
Year ended December 31, 2019
Accounts receivable allowance$126 $179 $(299)$6 
 In thousands
Balance at
Beginning of
Period		Additions/
Charged to
Expense		DeductionsBalance at
End of
Period
Year ended December 31, 2021
       Warranty allowance$1,663 $418 $(911)$1,170 
Year ended December 31, 2020
Warranty allowance$1,390 $1,028 $(755)$1,663 
Year ended December 31, 2019
Warranty allowance$863 $1,386 $(859)$1,390