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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Changes in Allowance for Doubtful Accounts

For the years ended December 31, 2022, 2021 and 2020, changes in the allowance for doubtful accounts were as follows (in thousands):

 

2022

 

 

2021

 

 

2020

 

Balance at beginning of year

$

556

 

 

$

274

 

 

$

297

 

Addition to credit loss expense

 

532

 

 

 

121

 

 

 

158

 

Credit loss resulting from acquisitions

 

 

 

 

216

 

 

 

 

Write-offs, net of recoveries of amounts previously reserved

 

(92

)

 

 

(45

)

 

 

(207

)

Exchange rate changes

 

(1

)

 

 

(10

)

 

 

26

 

Balance at end of year

$

995

 

 

$

556

 

 

$

274