Balance Sheets Details (Tables)

9 Months Ended

Sep. 30, 2020

Balance Sheets Details [Abstract]

Schedule of inventory components

Inventories consisted of the following (in thousands):

	September 30, 2020		December 31, 2019
Raw materials	$	77	$	7
Work-in-process	28		26
Finished goods	632		338
Inventories	$	737	$	371

Schedule of property and equipment, net

Property and equipment, net consisted of the following (in thousands):

	September 30, 2020		December 31, 2019
Laboratory equipment	$	24,837	$	23,561
Leasehold improvements	10,774		10,804
Computer equipment and software	3,134		3,016
Office equipment and furniture	1,175		1,461
Construction in progress	602		691
Property and equipment	40,522		39,533
Less: accumulated depreciation and amortization	(33,233)		(33,251)
Property and equipment, net	$	7,289	$	6,282

Schedule of other accrued liabilities

Other accrued liabilities consisted of the following (in thousands):

	September 30, 2020		December 31, 2019
Accrued purchases	$	3,810	$	4,386
Accrued professional and outside service fees	3,142		1,802
Other	618		352
Total	$	7,570	$	6,540