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Restructuring Costs
 12 Months Ended
Dec. 31, 2021
Restructuring and Related Activities [Abstract]  
Restructuring Costs Restructuring Costs 
2019 French Restructuring

During the second quarter of 2019, the Company initiated a plan to discontinue all French R&D activities, which resulted in the redundancy and reduction of its entire workforce at its Vénissieux, France site (“2019 French Restructuring”). This reduction was part of an effort to align the Company’s cost structure with its ongoing and future planned projects. The discontinuation of R&D activities and elimination of the workforce in France was completed during the year ended December 31, 2020. Restructuring charges associated with this plan recognized during the years ended December 31, 2021 and 2020 were immaterial. Restructuring charges associated with this plan of $4,855 of were recognized during the year ended December 31, 2019. Included in the 2019 French Restructuring charges of $4,855 were charges for employee severance, benefits and other costs of $4,339, charges related to fixed asset impairment of $629, charges related to the early termination penalty related to the office and copier lease terminations of $887, partially offset by a benefit of $1,000 related to the reversal of the French retirement indemnity obligation. At December 31, 2021, there are no future expected retirement indemnity benefits to be paid. The Company does not expect to incur any additional expenses related to the 2019 French Restructuring. The following table sets forth activities for the Company’s cost reduction plan obligations for the years ended December 31, 2021 and 2020:

2019 French Restructuring Obligation:20212020
Balance of restructuring accrual at January 1,$248 $1,922 
(Benefit) charges for employee severance, benefits and other costs(122)172 
Payments(77)(1,813)
Foreign currency impact(8)(33)
Balance of restructuring accrual at December 31, $41 $248 

The 2019 French Restructuring liability of $41 is included in the consolidated balance sheet in accrued expenses at December 31, 2021.

2019 Corporate Restructuring

During the first quarter of 2019, the Company announced a plan to reduce its corporate workforce by more than 50% (the “2019 Corporate Restructuring”). The reduction in workforce is primarily a result of the exit of Noctiva during the first quarter of 2019 (see Note 3: Subsidiary Bankruptcy and Deconsolidation), as well as an effort to better align the Company’s remaining cost structure at its U.S. and Ireland locations with its ongoing and future planned projects. The reduction in workforce was completed during the year ended December 31, 2020. Restructuring income associated with this plan for the years ended December 31, 2021 and 2020 were immaterial. Restructuring charges associated with this plan of $1,755 were recognized during the year ended December 31, 2019. Included in the 2019 Corporate Restructuring charges of $1,755 for the year ended December 31, 2019 were charges for employee severance, benefit and other costs of $3,406, charges related to the early termination penalty related to the office lease termination of $288, the write-off of $125 of property, plant and equipment, net, partially offset by a benefit of $2,064 related to share based compensation forfeitures related to the employees affected by the global reduction in workforce. The Company does not expect to incur any additional expenses related to the 2019 Corporate Restructuring.
During the years ended December 31, 2021, 2020 and 2019, the Company paid $272, $1,014, and $2,326 respectively, and has no remaining obligation for the 2019 Corporate Restructuring plan as of December 31, 2021.