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Balance Sheet Details

12 Months Ended

Dec. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

4. Balance Sheet Details

Property and Equipment, Net

Property and equipment, net as of December 31, 2021 and 2020 consisted of the following:


	December 31,
	2021			2020
	(in thousands)
Furniture and equipment	$	1,619		$	397
Computers and computer software		430			111
Lab equipment		9,453			4,739
Leasehold improvements		—			1,903
Construction in progress		—			219
Total property and equipment		11,502			7,369
Less: accumulated depreciation and amortization		(3,548	)		(4,097	)
Property and equipment, net	$	7,954		$	3,272

Depreciation and amortization expense for years ended December 31, 2021, 2020 and 2019 was $1.8 million, $1.4 million and $1.2 million respectively, of which $0, $0 and $0.2 million related to capital lease amortization expense for the years ended December 31, 2021, 2020 and 2019, respectively.

Accrued Expenses

Accrued expenses as of December 31, 2021 and 2020 consisted of the following:


	December 31,
	2021		2020
	(in thousands)
Preclinical studies	$	5,039	$	2,844
Professional fees		400		490
Other accrued expenses		3,348		432
Total	$	8,787	$	3,766