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Balance Sheets Details
 6 Months Ended
Jun. 30, 2019
Balance Sheets Details [Abstract]  
Balance Sheets Details Balance Sheets Details
Inventories
Inventories consisted of the following (in thousands):
 
June 30, 2019
 
December 31, 2018
Raw materials
$
10

 
$
165

Work-in-process
157

 
47

Finished goods
553

 
377

    Inventories
$
720

 
$
589



Property and Equipment, net
Property and equipment, net consisted of the following (in thousands):
 
June 30, 2019
 
December 31, 2018
Laboratory equipment
$
22,464

 
$
21,328

Leasehold improvements
10,804

 
10,359

Computer equipment and software
3,772

 
3,954

Office equipment and furniture
1,402

 
1,272

Construction in progress
137

 
939

Property and equipment
38,579

 
37,852

       Less: accumulated depreciation and amortization
(33,267
)
 
(33,093
)
     Property and equipment, net
$
5,312

 
$
4,759


Goodwill
Goodwill had a carrying value of approximately $3.2 million as of June 30, 2019 and December 31, 2018.
Other Accrued Liabilities
Other accrued liabilities consisted of the following (in thousands):
 
June 30, 2019
 
December 31, 2018
Accrued purchases
$
2,373

 
$
1,492

Accrued professional and outside service fees
1,533

 
2,020

Deferred rent
—

 
343

Lease incentive obligation
—

 
425

Other
153

 
575

     Total
$
4,059

 
$
4,855