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INTEREST AND OTHER EXPENSE (INCOME)
 12 Months Ended
Dec. 31, 2017
Other Income and Expenses [Abstract]  
INTEREST AND OTHER EXPENSE (INCOME)
INTEREST AND OTHER EXPENSE (INCOME)
Interest and other expense (income) consisted of the following (in thousands):
 
Year Ended December 31,
 
2017
 
2016
 
2015
Interest income
$
(167
)
 
$
(124
)
 
$
(172
)
Interest expense
245

 
160

 
200

Other expense (income), net
(228
)
 
(7
)
 
102

 
$
(150
)
 
$
29

 
$
130


Cash paid for interest was $206 thousand, $78 thousand and $90 thousand for the years ended December 31, 2017, 2016 and 2015, respectively.