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Balance Sheet Components (Tables)
9 Months Ended
Sep. 30, 2020
Balance Sheet Components  
Schedule of Inventory

Inventory consisted of the following (in thousands):

September 30, 

December 31,

    

2020

    

2019

Raw materials

$

366

$

119

Work-in-process

 

5,042

 

6,329

Finished goods

 

765

 

1,415

Total inventory

$

6,173

$

7,863

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in thousands):

September 30, 

December 31,

    

2020

    

2019

Accrued payroll-related expenses

$

1,088

$

1,236

Accrued joint development agreement expenses

170

Accrued inventory

311

87

Restructuring expenses

 

 

782

Other

 

309

 

452

Total accrued liabilities

$

1,708

$

2,727