Restructuring Activities

12 Months Ended

Dec. 31, 2020

Restructuring And Related Activities [Abstract]

Restructuring Activities

9. Restructuring Activities  

On November 7, 2018, the Company announced that it was implementing a reduction in headcount as part of a corporate restructuring. The accrued balance as of December 31, 2019 approximated to $0.1 million. No additional restructuring expenses were recognized during the year ended December 31, 2020. During the year ended December, 2019, the Company recognized restructuring expenses of $4.8 million, consisting of one-time employee termination benefits of $2.0 million recorded in research and development expense and $2.8 million recorded in general and administrative expense. These one-time employee termination benefits are comprised of severance, benefits and related costs, all of which are expected to result in cash expenditures.

The Company paid approximately $0.1 million of these restructuring expenses during the year ended December 31, 2020. During the year ended December 31, 2019, the Company paid approximately $5.6 million of these restructuring expenses.

The following table summarizes the charges related to the restructuring activities as of December 31, 2020 and 2019:

(in thousands)	Accrued Restructuring Expenses at December 31, 2019		Expenses		Less: Payments			Accrued Restructuring Expenses at December 31, 2020
Severance, benefits and related costs    due to workforce reduction	$	66	$	—	$	(66	)	$	—
Totals	$	66	$	—	$	(66	)	$	—

(in thousands)	Accrued Restructuring Expenses at December 31, 2018		Expenses		Less: Payments			Accrued Restructuring Expenses at December 31, 2019
Severance, benefits and related costs    due to workforce reduction	$	921	$	4,783	$	(5,638	)	$	66
Totals	$	921	$	4,783	$	(5,638	)	$	66