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Restructuring Plan (Tables)

9 Months Ended

Sep. 30, 2023

Restructuring and Related Activities [Abstract]

Summary of restructuring costs

A summary of the restructuring costs recorded in the condensed consolidated statements of operations and comprehensive loss for the three and nine months ended September 30, 2023 is as follows (in thousands):


		Three Months Ended September 30, 2023
		ROU Asset Impairment				Severance and Benefits Costs				Stock-based Compensation				Total Restructuring Cost Recorded
General and administrative expense		$	—			$	189				33			$	222
Total restructuring costs		$	—			$	189			$	33			$	222


		Nine Months Ended September 30, 2023
		ROU Asset Impairment				Severance and Benefits Costs				Stock-based Compensation				Total Restructuring Cost Recorded
General and administrative expense		$	180			$	6,025			$	8,707			$	14,912
Research and development expense			—				1,342				488				1,830
Total restructuring costs		$	180			$	7,367			$	9,195			$	16,742

Schedule of restructuring liability

The activity in the restructuring liability is as follows (in thousands):


		Restructuring Liability 2023
Restructuring liability as of December 31, 2022		$	—
Severance costs incurred during the three months ended March 31, 2023			6,779
Severance costs paid during the three months ended March 31, 2023			(5,492	)
Restructuring liability as of March 31, 2023			1,287
Severance costs incurred during the three months ended June 30, 2023			399
Severance costs paid during the three months ended June 30, 2023			(919	)
Restructuring liability as of June 30, 2023			767
Severance costs incurred during the three months ended September 30, 2023			189
Severance costs paid during the three months ended September 30, 2023			(511	)
Restructuring liability as of September 30, 2023		$	445