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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2018
Valuation And Qualifying Accounts [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2018 and 2017

(in thousands)

 

 

 

Balance at

beginning of

year

 

 

Additions (A)

 

 

Deductions (B)

 

 

Other (C)

 

 

Balance at

end of year

 

Allowance for doubtful accounts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31, 2018

 

$

167

 

 

$

18

 

 

$

—

 

 

$

—

 

 

$

185

 

Year ended December 31, 2017

 

$

167

 

 

$

—

 

 

$

—

 

 

$

—

 

 

$

167

 

 

 

(A)

Includes charges to costs and expenses.

 

(B)

Deductions for uncollectible accounts receivable includes payments collected and devices recovered from customers.

 

(C)

Miscellaneous activity.