Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2018

Balance Sheet Components

Schedule of property and equipment, net

Property and equipment, net consist of the following as of December 31, 2018 and 2017 (in thousands):

	December 31,
	2018		2017
Lab equipment	$	1,737	$	940
Computer equipment and software		25		25
		1,762		965
Less: Accumulated depreciation		(491)		(215)
	$	1,271	$	750

Schedule of intangible assets, net

Intangible assets, net consist of the following as of December 31, 2018 and 2017 (in thousands):

	December 31,
	2018		2017
Licenses	$	81	$	81
	$	81		81
Less: Accumulated amortization		(43)		(38)
	$	38	$	43

Schedule of estimated acquired intangible amortization expense

The estimated acquired intangible amortization expense for the next five fiscal years is as follows (in thousands):

	Year Ended
	December 31,
2019		5
2020		5
2021		5
2022		5
Thereafter		18
Total	$	38

Schedule of accrued liabilities

Accrued liabilities consist of the following at December 31, 2018 and 2017 (in thousands):

	December 31,
	2018		2017
Research and development services	$	2,179	$	1,713
Stock option liability		455		—
Payroll related expenses		254		207
Professional services		56		201
	$	2,944	$	2,121