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Accrued Warranty (Tables)
 9 Months Ended
Sep. 30, 2018
Product Warranties Disclosures [Abstract]  
Schedule of accrual for product warranty
The following summarizes the activity in the Company’s accrual for product warranty (in thousands):
 
 
Nine Months Ended
September 30,
 
2018
 
2017
Balance at beginning of period
$
125

 
$
338

Accrued warranty expense/(benefit)
(13
)
 
(16
)
Transfer in sale of DuraFit business
—

 
(110
)
Warranty claims paid
(35
)
 
(152
)
Translation adjustment
(1
)
 
5

Balance at end of period
$
76

 
$
65