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Accrued Warranty (Tables)
 6 Months Ended
Jun. 30, 2017
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):
 
 
Six Months Ended
June 30,
 
2017
 
2016
Balance at beginning of period
$
338

 
$
228

Accrued warranty expense
117

 
142

Warranty claims paid
(147
)
 
(90
)
Translation Adjustment
4

 
(36
)
Balance at end of period
$
312

 
$
244