Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring and Related Activities [Abstract]

Restructuring Related Revenue, Net Loss and Net Assets

The following table presents net assets in China for the years ended December 31, 2019, 2018 and 2017:

	2019		2018		2017
Total assets	$	4,249	$	8,546	$	13,005
Total liabilities	399		2,953		5,245
Total net assets	3,850		5,593		7,760

The following table presents our revenues and net loss in China for the years ended December 31, 2019, 2018 and 2017:

	2019			2018			2017
Total revenues	$	329		$	3,006		$	8,034
Net loss	(1,767		)	(1,868		)	(1,343		)

Reconciliation of Accrual for Workforce Reduction

The following is a reconciliation of the accrual for the workforce reduction that is included within the "Accrued Liabilities" line of the consolidated balance sheets:

	Twelve Months Ended
	2019			2018			2017
Restructuring liability at January 1,	$	65		$	391		$	309
Amounts expensed	625			—			119
Amounts expensed - discontinued operations	—			—			581
Amounts paid	(690		)	(326		)	(618		)
Restructuring liability at December 31,	$	—		$	65		$	391