Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

CommitmentsAndContingenciesDisclosureTextBlockAbstract

Schedule of Future Minimum Rental Payments for Operating Leases

Future minimum lease payments under non-cancellable operating leases that have initial or remaining lease terms in excess of one year as of December 31, 2014 are as follows:

Year of Payment	Amount
2015	$	1,023
2016	1,025
2017	735
2018	375
2019	366
Thereafter	74
Total	$	3,598

Schedule of Future Minimum Lease Payments for Capital Leases

The future minimum lease income under this non-cancellable sublease as of December 31, 2014 is as follows:

Year of Payment	Amount
2015	$	155
2016	155
2017	155
2018	155
2019	155
Thereafter	—
Total	$	775

Schedule of Product Warranty Liability

Changes in the warranty liability in 2014, 2013 and 2012 are summarized below:

	2014			2013			2012
Aggregate product warranty liability at beginning of year	$	596		$	776		$	313
Net aggregate expense (income) related to product warranties	(311		)	(68		)	1,208
Aggregate reductions for payments	(17		)	(112		)	(745		)
Aggregate product warranty liability at end of year	$	268		$	596		$	776