Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Summary of Liability Related to Lease

The following table provides information about the Company’s liability related to the lease (in thousands):

	2017			2016
Beginning balance, January 1	$	1,475		$	2,106
Net rental payments		(272	)		(344	)
Accretion of discount		54			78
Decrease in net estimated contract termination costs		(23	)		—
Ending balance, June 30	$	1,234		$	1,840

Summary of Reconciliation of Company's Warranty Reserve that Represents Amounts Accrued for Surface Flaking Claims

The following is a reconciliation of the Company’s warranty reserve that represents amounts accrued for surface flaking claims (in thousands):

	2017			2016
Beginning balance, January 1	$	33,847		$	29,673
Changes in estimates related to pre-existing warranties		—			—
Settlements made during the period		(2,683	)		(2,611	)
Ending balance, June 30	$	31,164		$	27,062