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Balance Sheet Components (Tables)
6 Months Ended
Jun. 30, 2020
Balance Sheet Components  
Schedule of Inventory

Inventory consisted of the following (in thousands):

June 30, 

December 31,

    

2020

    

2019

Raw materials

$

302

$

119

Work-in-process

 

6,233

 

6,329

Finished goods

 

1,833

 

1,415

Total inventory

$

8,368

$

7,863

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in thousands):

June 30, 

December 31,

    

2020

    

2019

Accrued payroll-related expenses

$

755

$

1,236

Accrued joint development agreement expenses

170

Accrued inventory

252

87

Restructuring expenses

 

67

 

782

Other

 

318

 

452

Total accrued liabilities

$

1,392

$

2,727