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 three and six months ended June 30, 2020. During the three and six months ended June 30, 2019, the Company recognized additional restructuring expenses of $4.6 million and $4.9 million, respectively, consisting of one-time employee termination benefits of $1.8 million and $2.0 million, respectively, recorded in research and development expense and $2.8 million and $2.9 million, respectively, 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 and adjusted approximately less than $0.1 million and $0.1 million of these restructuring expenses during the three and six months ended June 30, 2020, respectively. The remaining payments of less than $0.1 million will be paid during the three months ended September 30, 2020. During the three and six months ended June 30, 2019, the Company paid approximately $3.8 million and $4.8 million of these restructuring expenses, respectively.

The following table summarizes the charges related to the restructuring activities as of June 30, 2020 and 2019:

(in thousands)

Accrued

Restructuring

Expenses at

December 31, 2019

Expenses

Less:

Payments and Adjustments

Accrued

Restructuring

Expenses at

June 30, 2020

Severance, benefits and related costs due to workforce

reduction

—

(51

)

Totals

—

(51

)


(in thousands)	Accrued Restructuring Expenses at December 31, 2018		Expenses		Less: Payments			Accrued Restructuring Expenses at June 30, 2019
Severance, benefits and related costs due to workforce reduction	$	921	$	4,890	$	(4,755	)	$	1,056
Totals	$	921	$	4,890	$	(4,755	)	$	1,056