Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Schedule of Property Plant and Equipment Net

Property and equipment, net consists of the following:

	December 31,
	2019			2018
	(in thousands)
Lab equipment	$	11,986		$	7,538
Computer equipment		540			518
Furniture and fixtures		1,351			943
Leasehold improvements		7,121			3,114
Construction in progress		142			1,893
Property and equipment, gross		21,140			14,006
Less accumulated depreciation and amortization		(4,832	)		(1,716	)
Total property and equipment, net	$	16,308		$	12,290

Schedule of Accrued Liabilities

Accrued liabilities consist of the following:

	December 31,
	2019		2018
	(in thousands)
Payroll and related expenses	$	9,410	$	6,165
Research and development expenses		12,530		5,016
Restricted stock liability		1,434		—
Financing lease obligation, current		237		—
Other professional and consulting expenses		1,634		694
Other accrued expenses		1,250		2,659
Total accrued liabilities	$	26,495	$	14,534