Restructuring Costs

6 Months Ended

Jun. 30, 2021

Restructuring And Related Activities [Abstract]

Restructuring Costs

12. Restructuring Costs

There were no restructuring costs for the three and six months ended June 30, 2021, compared with $5,714,000 for the six months ended June 30, 2020. The 2020 costs related primarily to severance and other termination costs in an effort to consolidate and streamline various functions of the Company’s workforce. The restructuring cost was comprised of $5,076,000 severance expense and related payroll taxes, and $638,000 asset impairment.

As of June 30, 2021, the following liabilities remained on the Company's unaudited Condensed Consolidated Balance Sheets related to restructuring costs. The rollforward of these liabilities to June 30, 2021were as follows:

	Three months ended June 30, 2021
(in thousands)	Accrued compensation and related costs			Other accrued liabilities			Total
Beginning balance, March 31, 2021	$	1,851		$	508		$	2,359
Additions		—			—			—
Adjustments to accruals		(88	)		17			(71	)
Cash payments		(733	)		(185	)		(918	)
Ending balance, June 30, 2021	$	1,030		$	340		$	1,370

	Six months ended June 30, 2021
(in thousands)	Accrued compensation and related costs			Other accrued liabilities			Total
Beginning balance, December 31, 2020	$	3,369		$	590		$	3,959
Additions		—			—			—
Adjustments to accruals		(318	)		33			(285	)
Cash payments		(2,021	)		(283	)		(2,304	)
Ending balance, June 30, 2021	$	1,030		$	340		$	1,370