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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
Years Ended December 31, 2015, 2014, and 2013
 
 
 
 
Additions
(Reductions)
 
 
 
 
Description
Balance at
Beginning of
Period
 
Additions
(Recovery)
to Bad Debt
Expense
 
Charged
to Other
Accounts
 
Deductions (1)
 
Balance at
End of
Period

(in thousands)
December 31, 2015

 

 

 

 

Allowance for doubtful accounts
$
120

 
$
—

 
$
—

 
$
—

 
$
120

December 31, 2014

 

 

 

 

Allowance for doubtful accounts
$
206

 
$
(85
)
 
$
—

 
$
(1
)
 
$
120

December 31, 2013

 

 

 

 

Allowance for doubtful accounts
$
228

 
$
11

 
$
—

 
$
(33
)
 
$
206


(1)
Deductions represent the actual write-off of accounts receivable balances.