Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Restructuring Activity

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

				Lease
	Severance			Termination			Total
Balance at December 31, 2019	$	12		$	33		$	45
Restructuring expense		98			0			98
Payments made		(110	)		(70	)		(180	)
Payments received		0			53			53
Balance at June 30, 2020	$	0		$	16		$	16

Summary of Warranty Activity

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

	Six Months Ended June 30,
	2020			2019
Beginning balance	$	444		$	339
Provisions for warranties	$	3			163
Consumption of reserves	$	(179	)		(113	)
Ending balance	$	268		$	389