In January 2021 and September 2021, the Company announced corporate restructurings to reduce costs, more closely align operating expenses with expected revenue, and focus its resources on Inbrija. As part of the January 2021 restructuring, the Company reduced headcount by approximately 16% through a reduction in force (excluding the employees that transferred to Catalent at the closing of the sale of the Company’s Chelsea manufacturing operations). All of the reduction in personnel in connection with the January 2021 restructuring took place during the three-month period ended March 31, 2021.

As part of the September 2021 restructuring, the Company reduced headcount by approximately 15% through a reduction in force. Most of this reduction in force took place in September 2021, and was materially completed as of March 31, 2022, with negligible expenses incurred in the second quarter of 2022.

During the nine-month period ended September 30, 2022, the Company incurred $0.3 million of restructuring charges, substantially all of which were cash expenditures for severance and other employee separation-related costs. All of the restructuring charges were recorded in selling, general and administrative expenses for the nine-month period ended September 30, 2022.

A summary of the restructuring charges for the nine-month period ended September 30, 2022 is as follows:

(In thousands)	Restructuring Costs
Restructuring Liability as of December 31, 2021	$	1,851
Q1 Restructuring Costs		226
Q1 Restructuring Payments		(1,700	)
Restructuring Liability as of March 31, 2022	$	377
Q2 Restructuring Costs		25
Q2 Restructuring Payments		(145	)
Restructuring Liability as of June 30, 2022	$	257
Q3 Restructuring Costs		—
Q3 Restructuring Payments		(257	)
Restructuring Liability as of September 30, 2022	$	(0	)