Property and Equipment

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment consists of the following (dollars in thousands):

	December 31, 2021		December 31, 2020
Lab equipment and furniture	$	12,287	$	12,526
Leasehold improvements	14,369		15,183
Software	4,776		2,295
Finance lease asset (1)	—		22,747
Computer equipment	1,944		2,113
Construction-in-progress	33		—
	33,409		54,864
Less accumulated depreciation and amortization	(16,454)		(17,040)
Total	$	16,955	$	37,824

(1) Refer to Note 12, Leases.

Depreciation and amortization expense on property and equipment was approximately $2.6 million, $4.3 million, and $1.5 million for the years ended December 31, 2021, 2020 and 2019, respectively. Depreciation and amortization expense of $4.3 million in 2020 includes $1.9 million of amortization expense associated with the finance lease asset. Refer to Note 12, Leases.

As of December 31, 2021, there were no identified indicators of impairment.