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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
CTS CORPORATION
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
 
 
Additions
 
 
(in thousands)
Balance at
Beginning
of Period
Charged/
(Credit)
to Expense
Charged
to Other
Accounts
Deductions
Balance
at End
of Period
Year ended December 31, 2016
Allowance for doubtful accounts
$
133

$
44

$
—

$
(7
)
$
170

Year ended December 31, 2015
Allowance for doubtful accounts
$
100

$
33

$
—

$
—

$
133

Year ended December 31, 2014
Allowance for doubtful accounts
$
130

$
(38
)
$
—

$
8

$
100