Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Restructuring Activity

The following table summarizes the restructuring activity during the nine months ended September 30, 2020 and the status of the reserves at September 30, 2020:

				Lease
	Severance			Termination			Total
Balance at December 31, 2019	$	12		$	33		$	45
Restructuring expense		124			0			124
Payments made		(136	)		(106	)		(242	)
Payments received		0			77			77
Balance at September 30, 2020	$	0		$	4		$	4

Summary of Warranty Activity

The following table summarizes the warranty activity during the nine months ended September 30, 2020 and 2019:

	Nine Months Ended September 30,
	2020			2019
Beginning balance	$	444		$	339
Provisions for warranties	$	9			207
Consumption of reserves	$	(203	)		(146	)
Ending balance	$	250		$	400