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Warranties
 3 Months Ended
Mar. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Warranties
Warranties
The overall change in the Company’s warranty reserve is reflected on the condensed consolidated balance sheets in accrued expenses and taxes and is detailed as follows: 
 
Three Months Ended 
 March 31,
 
2016
 
2015
 
(in thousands)
Liability, beginning of period
$
1,415

 
$
953

Provision for warranties issued during the period, net of adjustments
415

 
608

Adjustments to warranties issued during previous periods
5

 
(4
)
Warranty claims
(122
)
 
(217
)
Liability, end of period
$
1,713

 
$
1,340