Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

The following represents a summary of the warranty provision for the six months ended June 30, 2018:



Balance — December 31, 2017	$	3,490
Provision for new warranty claims	1,138
Change in provision for preexisting warranty claims	909
Deduction for payments made	(1,375		)
Currency translation adjustment	(66		)
Balance — June 30, 2018	$	4,096

Schedule of Minimum Principal Payments Due on Long-term Debt

The following table provides future minimum principal payments due on long-term debt for the next five fiscal years and the remaining years thereafter:



Year Ending December 31,
2018	$	2,187
2019	4,375
2020	4,375
2021	4,375
2022	4,375
Thereafter	$	150,938