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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2015
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2015, 2014 and 2013
(in thousands of dollars)

  
Balance at
beginning of
 year
  
Additions (A)
  
Deductions (B)
  
Other (C)
  
Balance at
 end of year
 
Allowance for doubtful accounts
               
Year ended December 31, 2015
 
$
1,523
  
$
—
  
$
(709
)
 
$
(17
)
 
$
797
 
Year ended December 31, 2014
 
$
1,445
  
$
1,084
  
$
(995
)
 
$
(11
)
 
$
1,523
 
Year ended December 31, 2013
 
$
278
  
$
1,141
  
$
( 16
)
 
$
42
  
$
1,445
 


(A)
Includes charges to costs and expenses.
(B)
               Deductions for uncollectible accounts receivable includes payments collected and devices recovered from customers.
(C)
Miscellaneous activity.